KALASHNIKOVA, N. I. Structure Of Demand And Equilibrium In Oligopolistic Models With Piecewise Quadratic Cost Functions. Journal of Business & Economics Research (JBER), [S. l.], v. 1, n. 10, 2003. DOI: 10.19030/jber.v1i10.3061. Disponível em: https://clutejournals.com/index.php/JBER/article/view/3061. Acesso em: 18 jul. 2024.