Znachenye nekotorich opredepennich intgrapov

Kazan, 1852. Soft cover. Very Good. 4to - over 9¾ - 12" tall. 2 parts in one vol. 4to. [30.4 x 23 cm], 1-26 pp.; 27-34 pp., (the whole issue paginated [ii] 96 [2]); title with old stamp in Russian and shelfmark, crossed-through, some very faint marginal waterstaining, a very good copy in original printed wrappers, 'Uchenya Zapiski... 1852' on front wrapper within an ornamental border, wrappers worn. Very rare first edition of Lobachevsky's last work on analysis, a treatise on the values of certain defined integrals, along with an examination of the Gamma function.*Kagan 13; Engel 18. Not in DSB. For Lobachevsky's biography, see the previous entry.