[LOBACHEVSKY IN FRENCH] Nouveaux principes de la géométrie avec une théorie complète des parallèles [i.e. New Principles of Geometry with a Complete Theory of Parallels]
Bruxelles: Hayez, 1901. 132 pp., 9 plates. 23.5x16.1 cm. Contemporary owner’s half-leather binding with gilt lettering on the spine. Near fine. Minor tear at the hinge of the spine. Ex Libris on the verso of the front board Gösta Mittag-Leffler (1846-1927), a Swedish mathematician and a member of the Nobel..... More