@book{25516,
	author = {KAMKE, E.},
	title = {Spravocnik po obyknovennym differecialnym uravnenijam /},
	year = {1971.},
	address = {Moskva,},
	edition = {Izdanie cetvertoe ispravlennoe.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=25516}
}