@book{28437,
	author = {REKTORIS, Karel},
	title = {Variacionnye metody w matematiceskoj fizike i technike /},
	publisher = {"MIR",},
	year = {1985.},
	address = {Moskwa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=28437}
}