A SUMMATION FORMULA OF HALF ARGUMENT COLLOCATED WITH CONTIGUOUS RELATION. Global Journal of Science Frontier Research, [S. l.], v. 12, n. F1, p. 11–41, 2012. Disponível em: https://www.journalofscience.org/index.php/GJSFR/article/view/100167. Acesso em: 6 feb. 2026.