FORNAESS, J. E. The Levi problem in Stein spaces. MATHEMATICA SCANDINAVICA, [S. l.], v. 45, p. 55–69, 1979. DOI: 10.7146/math.scand.a-11825. Disponível em: https://www.mscand.dk/article/view/11825. Acesso em: 3 may. 2024.