JACOB, N. On generalized Drichlet problems. MATHEMATICA SCANDINAVICA, [S. l.], v. 55, p. 245–252, 1984. DOI: 10.7146/math.scand.a-12079. Disponível em: https://www.mscand.dk/article/view/12079. Acesso em: 27 apr. 2024.