@book{1644,
	author = {WALCZAK, Paweł Grzegorz and WALISZEWSKI, Włodzimierz},
	title = {Geometria różniczkowa w zadaniach /},
	year = {1981.},
	address = {Warszawa,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=1644}
}