@book{23258,
	author = {DUDA, Roman.},
	title = {Wprowadzenie do topologii.},
	year = {1986.},
	series = {Biblioteka Matematyczna},
	address = {Warszawa,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=23258}
}