@book{17546,
	author = {KREMPA, Jan and MAŻBIC-KULMA, Barbara},
	title = {Elementy logiki teorii mnogości i algebry /},
	year = {1977.},
	address = {Warszawa,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=17546}
}