@book{27794,
	author = {DORNY, Nelson C.},
	title = {A vector space approach to models and optimization /},
	publisher = {John Wiley and Sons,},
	year = {1975.},
	address = {New York :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=27794}
}