Khan, Mumtaz, y Ghazi Salama Abukhammash. On Certain Fractional Integral Operators of Two Variables and Integral Transforms. Pro Mathematica 17, no. 34 (septiembre 4, 2003): 169-193. Accedido abril 25, 2024. https://revistas.pucp.edu.pe/index.php/promathematica/article/view/10209.