@book{11620573,
	author = {Гурвиц, Ю.О. and Гангнус, Р.В. and Вейсман, З.},
	title = {Sistematisher kurs fun geometrie},
	publisher = {Emes},
	year = {1936},
	address = {Moskve},
	edition = {Ferte uflage}
}