Material y Dlya Biografii N. I. Lobachevskogo {Materials for a Biography of N. I. Lobachevsky]
Moscow: NAUK, 1948. First printing. Hardcover. 10.5 x 7 inches, cloth, very good, light wear, minor stamps to rear endpapers, faint occasional waterstains, otherwise clean, 848 pp, illustrated, color frontispiece. Biography of the great 19th century Russian mathematician and pioneer in geometry. Rare in commerce. Text in Russian.