KUHN, H. W. A note on "The law of supply and demand". MATHEMATICA SCANDINAVICA, [S. l.], v. 4, p. 143–146, 1956. DOI: 10.7146/math.scand.a-10463. Disponível em: https://tidsskrift.dk/math/article/view/10463. Acesso em: 13 aug. 2026.