METHODS FOR SOLVING UN CONDITIONAL AND CONDITIONAL EXTREMUM PROBLEMS. International Journal of Advance Scientific Research, [S. l.], v. 4, n. 06, p. 57–65, 2024. DOI: 10.37547/ijasr-04-06-11. Disponível em: https://sciencebring.com/index.php/ijasr/article/view/773. Acesso em: 8 jun. 2025.