BERG, Gunnar. Complex spaces with plenty of Stein subvarieties. Mathematica Scandinavica, Berkeley, CA, United States, v. 51, p. 158–162, 1982. DOI: 10.7146/math.scand.a-11970. Disponível em: https://journals.msp.org/mscand/article/view/1678. Acesso em: 25 jul. 2026.