BOROS, George; MOLL, Victor H. Sums of arctangents and some formulas of Ramanujan. Scientia Series A: Mathematical Sciences, [S. l.], v. 11, p. 13–24, 2025. DOI: 10.71712/. Disponível em: https://revistas.usm.cl/scientia/article/view/70.. Acesso em: 19 aug. 2025.