@book{59544,
	author = {Pogorelov, A. V.},
	title = {A study of surfaces in an elliptic space},
	publisher = {Hindustan Pub. Corp. (India)},
	year = {[1964]},
	address = {Delhi,},
	note = {Translation of Nekotorye voprosy teorii poverkhnosteĭ v ėllipticheskom prostranstve.}
}