HEINONEN, Juha; KOSKELA, Pekka. Weighted Sobolev and Poincaré Inequalities and Quasiregular Mappings of Polynomial Type. Mathematica Scandinavica, Berkeley, CA, United States, v. 77, p. 251–271, 1995. DOI: 10.7146/math.scand.a-12564. Disponível em: https://journals.msp.org/mscand/article/view/1109. Acesso em: 25 jul. 2026.