@book{15565,
	author = {PONOMAREV, K. K.},
	title = {Sostavlenie differencialnych uravnenij /},
	year = {1973.},
	address = {Minsk,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=15565}
}