ZAJĄCZKOWSKI, W. M. Existence of solutions to some elliptic system in Sobolev spaces with the weight as a power of the distance from some axis. Topological Methods in Nonlinear Analysis, [S. l.], v. 19, n. 1, p. 91–108, 2002. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2002.006. Acesso em: 22 jul. 2024.