@book{22037,
	author = {Dorrie, Heinrich and Antin, David},
	title = {100 great problems of elementary mathematics :},
	publisher = {Dover publications,},
	year = {c1965.},
	address = {New York :},
	note = {Tit. orig.: Triumph der mathematik : hundert berühmte probleme aus zwei jahrtausenden mathematischer kultur.}
}