DENIS, R. Y. ON CERTAIN DOUBLE SERIES INVOLVING GENSRALIZED HYPERGEOMETRIC SERIES. Matematichki Bilten, [S. l.], v. 22, n. 1, 1972. Disponível em: https://bilten.smm.org.mk/index.php/bilten/article/view/1331. Acesso em: 13 jun. 2026.