ARSOVE, M. G. The Pincherle basis problem and a theorem of Boas. MATHEMATICA SCANDINAVICA, [S. l.], v. 5, p. 271–275, 1957. DOI: 10.7146/math.scand.a-10505. Disponível em: https://www.mscand.dk/article/view/10505. Acesso em: 2 may. 2024.