@book{6664,
	author = {Sierpiński, Waclaw, and Krieger, Cypra Cecilia,},
	title = {Introduction to general topology/},
	publisher = {The University of Toronto press,},
	year = {c1934.},
	address = {Toronto:},
	note = {A translation of v. 2 (Topologja ogólna) of the author's Zarys teorji mnogości.}
}