Marichev0. I., y Vu Kim Tuan. «The Problems of Definitions and Symbols of G- and H-Functions of Several Variables». Rev. Téc. Fac. Ing. Univ. Zulia 60 (1). Accedido abril 8, 2025. https://mail.produccioncientificaluz.org/index.php/tecnica/article/view/4580.