SOLONUKHA, O.V. On the Existence of a Generalized Solution of One Partial Differential System. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 54, n. 9, p. 1250–1264, 2002. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4163. Acesso em: 14 apr. 2025.