@book{15462,
	author = {GANDOLFO, Giancarlo},
	title = {Mathematical Methods and Models in Economic Dynamics /},
	publisher = {North-Holland Publ.,},
	year = {1971.},
	address = {Amsterdam :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=15462}
}