@book{34192,
	author = {NOWICKI, Andrzej and Uniwersytet Mikołaja Kopernika},
	title = {Polynomial derivations and their rings of constants /},
	publisher = {UMK,},
	year = {1994.},
	series = {Rozprawy / Uniwersytet Mikołaja Kopernika},
	address = {Toruń :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=34192}
}