@book{63007,
	author = {Symposium on Mathematical Methods of Economics, and Łoś, Jerzy and Instytut Matematyczny (Polska Akademia Nauk) and Conference on Von Neumann Models,},
	title = {Mathematical models in economics :},
	publisher = {North-Holland Pub. Co.;},
	year = {1974.},
	address = {Amsterdam :},
	note = {"Organized by the Polish Academy of Sciences, Institute of Mathematics."}
}