HELLER, C. Richard Kahn’s short-term economics and the beginnings of oligopoly theory: a contribution to the history of contemporary economic thought. Brazilian Journal of Political Economy, [S. l.], v. 18, n. 2, p. 260-277, 1998. DOI: 10.1590/0101-31571998-1300. Disponível em: https://centrodeeconomiapolitica.org/repojs/index.php/journal/article/view/1134. Acesso em: 3 may. 2024.