BONAFEDE, S. Strongly nonlinear degenerate elliptic equations with discontinuous coefficients. II. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 49, n. 12, p. 1601–1609, 1997. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5164. Acesso em: 11 apr. 2025.