@book{40294,
	author = {BILLINGHAM, J. and KING, A. C.},
	title = {Wave motion /},
	publisher = {Cambridge Univ. Press,},
	year = {2000.},
	series = {Cambridge Texts in Applied Mathematics},
	address = {Cambridge :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=40294}
}