ALDASHEV, S. A. Some problems for multidimensional integro-differential equations of hyperbolic type. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 52, n. 5, p. 590–595, 2000. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4453. Acesso em: 17 apr. 2025.