BERG, G. Complex spaces with plenty of Stein subvarieties. MATHEMATICA SCANDINAVICA, [S. l.], v. 51, p. 158–162, 1982. DOI: 10.7146/math.scand.a-11970. Disponível em: https://www.mscand.dk/article/view/11970. Acesso em: 6 may. 2024.