@book{15812,
	author = {BURTON, David M.},
	title = {Abstract and linear algebra /},
	publisher = {Addison -Wesley Publishing Company,},
	year = {1972.},
	address = {Reading :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=15812}
}