@book{19651,
	author = {MILLER, Willard},
	title = {Summetry and separation of variables /},
	publisher = {Addison-Wesley Publishing Company,},
	year = {1977.},
	address = {London :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=19651}
}