KORNAFEL, Marta. When do Optima Converge to Optimum?. Central and Eastern European Economic Review, Kraków, Poland, n. 19, p. 23–34, 2019. DOI: 10.15678/AOC.2018.1902. Disponível em: https://ceeer.uek.krakow.pl/index.php/aoc/article/view/1604. Acesso em: 25 jun. 2026.