Existence of a weak solutions to a class of nonlinear parabolic problems via topological degree method. Gulf Journal of Mathematics, [S. l.], v. 14, n. 1, p. 148–159, 2023. DOI: 10.56947/gjom.v14i1.1091. Disponível em: https://gjom.org/index.php/gjom/article/view/1091. Acesso em: 13 oct. 2026.