@book{19704,
	author = {JAnpo~;lskij, Avraam Ruvimovič. and Guter, Rafail Samojlovič.},
	title = {Równania różniczkowe /},
	publisher = {PWN,},
	year = {1980.},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=19704}
}