N.I.Lobachevsky

Modzalevsky, B.L.N.I.Lobachevsky: His letters to I.E.Great Polish.(1832-1842).- Kazan: Typo-Lit.imp.un -te, 1902. -18 s .. -Bibliogr.In the tuning.Note .. - Ott.From "Izvestia physical mat. Odd at the imp. Kazan. University.".I. Velikopolsky, I.E .. II.Lobachevsky, N.I..1.People (collection).Electronic copy source: PBOriginal storage location: kpu