BOGDAN, Marcel. Some comments on a linear programming problem. Studia Universitatis Babeș-Bolyai Mathematica, [S. l.], v. 63, n. 2, p. 269–284, 2018. DOI: 10.24193/subbmath.2018.2.10. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/2071. Acesso em: 5 feb. 2025.