EIDERMAN, V.; ESSÉN, M. On Exceptional Sets for Superharmonic Functions in a Halfspace: An Inverse Problem. MATHEMATICA SCANDINAVICA, [S. l.], v. 76, p. 273–288, 1995. DOI: 10.7146/math.scand.a-12542. Disponível em: https://www.mscand.dk/article/view/12542. Acesso em: 23 nov. 2024.