FEDORCHUK, V. M.; FEDORCHUK, V. I. On reduction of the (1+3)-dimensional inhomogeneous Monge-Ampère equation to the first-order partial differential equations. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 74, n. 3, p. 418–426, 2022. DOI: 10.37863/umzh.v74i3.6996. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/6996. Acesso em: 5 dec. 2025.