@book{15544,
	author = {MAJID, K. I.},
	title = {Non-linear structures :},
	publisher = {Butterworths,},
	year = {1972.},
	address = {London :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=15544}
}