Kneser’s property of a class of integro-differential equations in α-norm. Gulf Journal of Mathematics, [S. l.], v. 23, n. 1, p. 1–20, 2026. DOI: 10.56947/f05m1808. Disponível em: https://gjom.org/index.php/gjom/article/view/4349. Acesso em: 23 aug. 2026.