@book{14777,
	author = {NAJNBERG, M. M.},
	title = {Variacionnyj metod i metod monotonnych operatorov.. /},
	year = {1972.},
	address = {Moskva,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=14777}
}