@book{34686,
	author = {HENDERSON, David Wilson},
	title = {Differential geometry :},
	publisher = {Prentice Hall,},
	year = {1998.},
	address = {Upper Saddle River :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=34686}
}