10.648 risultati
Milano, Curci, 1934. In 8° grande, PP 176n. Brossura originale. Musica “notata”? nel testo.
1961rif. 301983New York, Dover, 1961. XVIII, 173 pages.
1986In-8° pp. 313, leg. edit. con sovrac. ill. Come nuovo.
1922rif. 48912Paris, Gauthier-Villars, 1922. 4to. Bound in 2 uniform full cloth, but of slightly different sizes. Paperlabels pasted to lower part of spines. A faint stamp to titlepage and some of the issues. In ""Comptes Rendus Hebdomadaires des Séances de L'Academie des Sciences"", Tome 174. 1815,(1) pp. (Entire volume offered). Cartan's papers: pp.437-439, 593-595, 734-737, 857-60, 1104-1107.
1769rif. 44803(Berlin, Haude et Spener, 1769) 4to. No wrappers, as issued in ""Mémoires de l'Academie Royale des Sciences et Belles-Lettres"", tome XVIII, Année 1762. Pp. 195-225 and 1 folded engraved plate. + Pp. 226-248.
1855rif. 49133(Paris: Gauthier-Villars), 1855. 4to. No wrappers. In: ""Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences"", Vol 40, No 5 + 6. Pp. (205-) 260 a. pp. (261-) 324. (2 entire issue offered). Hermite's paper's: pp. 249-256 a. 304-309.
1769rif. 49805(Berlin, Haude et Spener, 1769). 4to. No wrappers as issued in ""Memoires de L'Academie Royale des Sciences et Belles Lettres"", tome XXIII, pp. 165-310. Clean and fine.
1891rif. 48777Harlem, Les Heritieres Loosjes, 1891. Lex8vo. Orig. printed wrappers. In ""Archives Néerlandaises des Science Exactes et Naturelles. Redigée par J. Bosschar"", Tome XXV, 2me Livraison. Pp. (101-) 226 (entire issue offered). Lorentz's paper: pp. 107-130. A faint stamp to frontwrapper and to the first page.
1971rif. 46743Dunod Couverture souple Paris 1971
1971G. Rouault Sur l'art et sur la vie. , Denoel/Gonthier 1971, Copertina cartonata sporca. Tagli impolverati e ingialliti. Pagine ingiallite. Collana: "Bibliotéque Mediations". Buono (Good) .
1769rif. 44803Berlin Haude et Spener 1769 4to. No wrappers as issued in "Mémoires de l'Academie Royale des Sciences et Belles-Lettres" tome XVIII Année 1762. Pp. 195-225 and 1 folded engraved plate. Pp. 226-248. First printing of two importent Euler-papers on the mathematical theory of dioptrics and how to avoid the confusions of lenses. - Eneström E 379 a. 380. unknown
1839rif. 59127Paris Crochard 1839. Entire October-issue with original printed yellow wrappers wrappers loose. In:"Annales de Chimie et de Physique Par MM. Gay-Lussac et Arago." tome 72 Series 2. Entire volume octobre-issue offered. Pp. 113-222. Gerhardt's paper: pp. 184-214.Clean and fine. First printing of a classic paper in organic chemistry in which Gerhardt breaks with the conceptions of dualism and pre-existing radicals and sets forth his "Theory of Residues". The October-issue also contains Gerhards paper "Recherches chimiques sur l'Hellénine" pp. 163-183. A subject for his doctoral thesis in 1840. "A new aspect was given to the substitution-type theory by Gerhardt who explained the formation of organic compounds as due to "pairing" or "copulation" of residues."Findlay "A Hundred years of Chemistry" p. 30 ff. unknown
1792rif. 48909Paris Rue et Hotel Serpente 1792. 8vo. 2 contemp. hcalf. Spines gilt. Light wear to spines. In: "Annales de Chimie" tome 13 14. 336 pp. 2 plates and pp. 335 2 plates. 2 entire volumes offered.Hassenfratz' papers: pp. 178-192 318-330 tome 13 and pp. 55-85 tome 14. Stamps to verso of titlepages. Scattered brownspots some leaves in vol. 13 with a faint dampstain to upper margins. First printing of these 3 memoirs in which Hassenfratz set forth the "Humus theory of vegetation". From Hassenfratz' theory Thaer later derived his theoretical basis for plant nutrition.The volumes also contains Hassenfratz's importent paper on chemical affinities "Explications de quelques Phénomenes qui paroissent contrarier les loix des affinités chimiques" 1.-2. memoir pp. 3-25 a. 25-38. Also papers by Pelletier Vauquelin van Mons Berthollet Fourcroy Haüy etc. unknown
1769rif. 49805Berlin Haude et Spener 1769. 4to. No wrappers as issued in "Memoires de L'Academie Royale des Sciences et Belles Lettres" tome XXIII pp. 165-310. Clean and fine. First edition of a fundamental paper in the Theory of Numbers in which Lagrange gives a solution in integers of indeterminate equations of the second degree - a remarkable turning point in Diophantine analysis. - Fermat had asserted that he could determine when the more general equation x2-Ay2=B was solvable in integers and that he could solve it when solvable but Lagrange solved it in this paper and furthermore he gives the complete solution to the problem of giving all integral solutions of a general equation where the coefficients are integers. - Cajori calls Lagrange "One of the greatest mathematicians of all times." - Poggendorff I:1344. unknown
1855rif. 49133Paris: Gauthier-Villars 1855. 4to. No wrappers. In: "Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences" Vol 40 No 5 6. Pp. 205- 260 a. pp. 261- 324. 2 entire issue offered. Hermite's paper's: pp. 249-256 a. 304-309. First printing of Hermite's importent paper in which he created the theory of transformations."Another topic on which Hermite worked and made important contributions was the theory of quadratic forms. This led him to study invariant theory and he found a reciprocity law relating to binary forms. With his understanding of quadratic forms and invariant theory he created a theory of transformations in 1855. His results on this topic provided connections between number theory theta functions and the transformations of abelian functions.""Hermite’s 1855 results became basic for the transformation theory of Abelian functions as well as for Camille Jordan’s theory of "Abelian" groups. They also led to Herrnite’s own theory of the fifth-degree equation and of the modular equations of elliptic functions."DSB. unknown
1891rif. 48777Harlem Les Heritieres Loosjes 1891. Lex8vo. Orig. printed wrappers. In "Archives Néerlandaises des Science Exactes et Naturelles. Redigée par J. Bosschar" Tome XXV 2me Livraison. Pp. 101- 226 entire issue offered. Lorentz's paper: pp. 107-130. A faint stamp to frontwrapper and to the first page. First edition. In this paper Lorentz applies statistical methods to his molecular theory of dlute solutions discussing the phenomena of osmosis van't Hoff's law of pressure in this context and Boltzmann's theorem. unknown
1922rif. 48912Paris Gauthier-Villars 1922. 4to. Bound in 2 uniform full cloth but of slightly different sizes. Paperlabels pasted to lower part of spines. A faint stamp to titlepage and some of the issues. In "Comptes Rendus Hebdomadaires des Séances de L'Academie des Sciences" Tome 174. 18151 pp. Entire volume offered. Cartan's papers: pp.437-439 593-595 734-737 857-60 1104-1107. First edition of these papers in which Cartan intruced the concept of "Torsion" the main inspiration for Einstein in his searce for a unified field theory. The ECT of gravity is a modification of the General relativity Theory"The Einstein-Cartan theory also known as the Einstein-Cartan-Sciama-Kibble theory is a classical theory of gravitation similar to general relativity but relaxing the assumption that the affine connection has vanishing antisymmetric part torsion tensor so that the torsion can be coupled to the intrinsic angular momentum spin of matter much in the same way in which the curvature is coupled to the energy and momentum of matter. In fact the spin of matter in curved spacetime requires that torsion is not constrained to be zero but is a variable in the principle of stationary action. Regarding the metric and torsion tensors as independent variables gives the correct generalization of the conservation law for the total orbital plus intrinsic angular momentum to the presence of the gravitational field. The theory was first proposed by Élie Cartan in 1922 and expounded in the following few years. Dennis Sciama and Tom Kibble independently revisited the theory in the 1960s and an important review was published in 1976. Albert Einstein became affiliated with the theory in 1928 during his unsuccessful attempt to match torsion to the electromagnetic field tensor as part of a unified field theory. This line of thought led him to the related but different theory of teleparallelism." Wikipedia. hardcover
199830x23.5 cm. 177+47 pages. Softcover with dust jacket. Cover edges slightly rubbed. Else in good condition. PLEASE NOTE: This item is overweight. We may ask for extra shipping costs.
1970(Codice MT/0565) Octavo (215 mm) 24 pages. First edition. With list of Research Centres in the world. Original printed wrappers, staple-bound. A fine copy. ~~~ SPEDIZIONE IN ITALIA SEMPRE TRACCIATA
2018brossura Il libro fornisce i criteri di divisibilità dei numeri che terminano per 1, 2, 3, 4, 5, 6, 7, 8 e 9, le conseguenze dei criteri di divisibilità dei numeri che terminano per 1, 3, 7 e 9 e illustra la possibilità di usare tali criteri per risolvere l'atavico problema di scomporre il prodotto di due numeri primi. L'ultimo capitolo del libro presenta un criterio di divisibilità generale proposto e provato dal prof. Alberto Peretti, nonché l'utilizzo di tale teorema per dimostrare i criteri di divisibilità proposti dall'autore.
Bologna, 1980, in-8, br.
195522x14.5 cm. 157 pages. Gilt hardcover with dust jacket. Cover slightly curved. Else in good condition.
1996xii, 331 S Gr. 4°. OLn. Bibliotheksexpl. mit Stempel und Barcode auf Vorsatz. Rückendeckel.
1950(Codice MU/0934) In 16º (18,5x13,5 cm) 108 pp. Partitura in formato ridotto, con ritratto. Brossura editoriale, lievemente ingiallito, ma buono stato. ~~~ SPEDIZIONE IN ITALIA SEMPRE TRACCIATA
1920(Codice MU/0614) In 16° (18,5 cm) 138 pp. Spartito. Brossura editoriale, firma d'appartenenza a matita, un po' ingiallito, ma valido. ~~~ SPEDIZIONE IN ITALIA SEMPRE TRACCIATA
