RAMACHANDRA, K. On the zeros of a class of generalised Dirichlet series-VII. Annales Fennici Mathematici, [S. l.], v. 16, n. 2, p. 391–397, 1991. DOI: 10.5186/aasfm.1991.1620. Disponível em: https://afm.journal.fi/article/view/134728. Acesso em: 25 nov. 2024.