ZIEMIAN, B. Leray residue formula and asymptotics of solutions to constant coefficient PDEs. Topological Methods in Nonlinear Analysis, [S. l.], v. 3, n. 2, p. 257–293, 1994. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.1994.014. Acesso em: 27 apr. 2024.