00965cam a22002651 4500 sa 64006156 DLC 20260227112037.0 780517s1964 ii b 000 0 eng sa 64006156 PL480:I-E-3077 DLC DLC DLC ICU DLC eng rus QA689 .P613 1964 Pogorelov, A. V. (Alekseĭ Vasilʹevich), 1919-2002. Nekotorye voprosy teorii poverkhnosteĭ v ėllipticheskom prostranstve. English A study of surfaces in an elliptic space [by] A. V. Pogorelov. Delhi, Hindustan Pub. Corp. (India) [1964] viii, 94 p. 24 cm. International monographs on advanced mathematics and physics Translation of Nekotorye voprosy teorii poverkhnosteĭ v ėllipticheskom prostranstve. Bibliography: p. [92] Elliptic space. Convex surfaces. 59544 59544