CARLSSON, Marcus. Fatou-type theorems for general approximate identities. Mathematica Scandinavica, Berkeley, CA, United States, v. 102, n. 2, p. 231–252, 2008. DOI: 10.7146/math.scand.a-15060. Disponível em: https://journals.msp.org/mscand/article/view/637. Acesso em: 24 jul. 2026.