@book{9158,
	author = {KARLESON, L.},
	title = {Izbrannyje problemy teorii isklucitelnych mnożestw /},
	year = {1971.},
	address = {Moskwa,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=9158}
}