NYAMORADI, N. On a p -Laplacian system with critical Hardy - Sobolev exponents and critical Sobolev exponents. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 64, n. 6, p. 797–810, 2012. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2617. Acesso em: 5 dec. 2025.