Ahmad Khan, Mumtaz, y Ghazi Salama Abukhammash. A Study on Two Variable Analogues of Certain Fractional Integral Operators. Pro Mathematica 17, no. 33 (febrero 12, 2003): 31-48. Accedido noviembre 24, 2024. https://revistas.pucp.edu.pe/index.php/promathematica/article/view/8215.