@book{9149,
	author = {Mitropolskij, Ûrij Alekseevič},
	title = {Metod usrednenija v nelinejnoj mechanike /},
	year = {1971.},
	address = {Kiev,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=9149}
}