PACHPATTE, B. G. On Fredholm type integrodifferential equation. Tamkang Journal of Mathematics, [S. l.], v. 39, n. 1, p. 85–94, 2008. DOI: 10.5556/j.tkjm.39.2008.48. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/48. Acesso em: 25 apr. 2024.