DANØ, S. Niels chr. knudsen: Production and cost models of a multi-product firm. A mathematical approach. Odense University in History and Social Sciences, Vol. 13. Odense: Odense University 1973. 300 pp. Kr. 57,50. Nationaløkonomisk tidsskrift, [S. l.], v. 111, 1973. Disponível em: https://tidsskrift.dk/nationaloekonomisktidsskrift/article/view/61821. Acesso em: 19 may. 2024.