Bouniakowsky V (6 results)

Soft cover. Condition: Good/Good+. 1st Eds. 1.'Sur les maxima et les minima des fonctions a deux variables' 1829, pp.463-468, bound with 2. 'Sur les congruences du second degre', 1830, pp.563-581; 3. 'Memoire sur l'irreducibilite des certaines formules irrationelles tant litterales que numeriques', 1840, pp.471-491, bound with 'Solution d'un probleme sur l'analyse des combinaisons concernant la theorie des equations simultanee', 1844, Disbound. 109-127. From St.Petersburg Academie des Sciences Memoires although provenance not fully present, but 3 have 'Mem. VI Ser.Sc.math., phys. et nat. ' at foot of first page. Disbound from larger volumes with fragments of glue & orig.binding to spines, stitching exposed, nevertheless tight. The earlier pair has scattered foxing and a faint early thin brown half-ring to outer margin, plus 3 sm. black ink spots to first page of first item (not affecting text), second pair a little better, half-ring still present and some brown marking to first page of first item. Author's dates: 1804-1889. The 'M.' initial is an abbreviated honorific, his forenames being Viktor Yakovlevich. …

Soft cover. Condition: Good. 28x20cm, (7) pages., Without wrappers. Caption title. Pagination runs [179]-185. A pencilled note to first page. Later cloth-tape to spine. Partially unopened. Foxed. Good.An extract from 'Mémoire de l'Académie Impériale des Sciences de Saint-Pétersbourg, Sciences mathématiques, physiques et naturelles', Tome 1. ["Bunyakovsky was a Ukrainian mathematician.., noted for his work in theoretical mechanics and number theory (Bunyakovsky conjecture), and is credited with an early discovery of the CauchySchwarz inequality, proving it for the infinite dimensional case as well as for definite integrals of real-valued functions in 1859, many years prior to Hermann Schwarz's works on the subject. .." - wikipedia].…

4°. 35 S. OHeft. Unaufgeschn. Ex. Umschl. fleckig u. eingerissen. (Memoires de l'Academie Impériale des Sciences de St.-Pétersbourg. VIIe Ser.; Tome 4 No. 2) Sprache: Französisch.

4°. M. 1 Taf. 16 S. OHeft. S. leicht gelbfl. (Memoires de l'Academie Impériale des Sciences de St.-Pétersbourg. VIIe Ser.; Tome 18 No. 7) Sprache: Französisch.

St.Petersburg, Academie Imperiale des sciences 1872 (Memoires de l Academie Imperiale des Sciences de Saint-Petersbourg, VIIe Serie, Tome 18, No.7). Folio. 16 S.mit 1 Tab. Ohne Einband, sauberes Exemplar.

St.Petersburg, Academie Imperiale des sciences 1861 (Memoires de l Academie Imperiale des Sciences de Saint-Petersbourg, VIIe Serie, Tome 4, No.2). Folio. 35 S. Ohne Einband, sauberes Exemplar.