@book{20140,
	author = {Osiowski, Jerzy},
	title = {Zarys rachunku operatorowego :},
	publisher = {Wydaw-a Naukowo-Techniczne,},
	year = {1981.},
	address = {Warszawa :},
	edition = {Wyd. 3 popr.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=20140}
}