BJON, S. Differentation under the integral sign and holomorphy. MATHEMATICA SCANDINAVICA, [S. l.], v. 60, p. 77–95, 1987. DOI: 10.7146/math.scand.a-12173. Disponível em: https://www.mscand.dk/article/view/12173. Acesso em: 24 nov. 2024.