@book{25679,
	author = {ECKHAUS, Wiktor},
	title = {Studies in non-linear stability theory /},
	publisher = {Springer-Verlag,},
	year = {1965.},
	address = {Berlin :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=25679}
}