@book{26788,
	author = {EFIMOV, N. V.},
	title = {Kvadraticnyje formy i matricy /},
	year = {1975.},
	address = {Moskva,},
	edition = {Izd.6.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=26788}
}