ABBAS, Said; BENCHOHRA, Mouffak; SLIMANI, Boualem Attou. Partial hyperbolic implicit differential equations with variable times impulses. Studia Universitatis Babeș-Bolyai Mathematica, [S. l.], v. 60, n. 1, p. 61–73, 2015. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/5667. Acesso em: 5 feb. 2025.