PACHPATTE, B. G. Implicit type Volterra integrodifferential equation. Tamkang Journal of Mathematics, [S. l.], v. 41, n. 1, p. 97–107, 2010. DOI: 10.5556/j.tkjm.41.2010.641. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/641. Acesso em: 24 apr. 2024.