Marichev OI, Kalla SL. Behaviour of hypergeometric function p F p-1 (z) in the vicinity of unity. REV TEC FAC ING UNIV [Internet]. 1 [citado 17 de enero de 2026];7(2). Disponible en: http://mail.produccioncientificaluz.org/index.php/tecnica/article/view/5123