Weakly nonlinear boundary-value problems for Fredholm integro-differential equations with a degenerate kernel in Banach spaces. Neliniini Kolyvannya, [S. l.], v. 27, n. 2, p. 212–228, 2024. DOI: 10.3842/nosc.v27i2.1463. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/1141. Acesso em: 6 dec. 2025.