@book{23653,
	author = {Boehme, Thomas K. and Pergamon Press},
	title = {Operational calculus.},
	publisher = {PWN [Państ. Wydaw. Naukowe] ;},
	year = {1987.},
	address = {Warszawa :},
	edition = {[2 ed.].},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=23653}
}