Picard and Picard-Krasnoselskii iteration methods for generalized proportional Hadamard fractional integral equations. Advances in the Theory of Nonlinear Analysis and its Application, [S. l.], v. 6, n. 4, p. 538–546, 2023. Disponível em: https://atnaea.org/index.php/journal/article/view/176.. Acesso em: 3 jun. 2026.