@book{4716,
	author = {EHRENFEUCHT, Aniela and STANDE, Olga},
	title = {Zbiór zadań z matematyki elementarnej :},
	year = {1980.},
	address = {Warszawa,},
	edition = {Wyd.4 popr.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=4716}
}