HEINONEN, J.; KOSKELA, P. Weighted Sobolev and Poincaré Inequalities and Quasiregular Mappings of Polynomial Type. MATHEMATICA SCANDINAVICA, [S. l.], v. 77, p. 251–271, 1995. DOI: 10.7146/math.scand.a-12564. Disponível em: https://www.mscand.dk/article/view/12564. Acesso em: 1 may. 2024.