Fractional calculus and some intermediate physical processes. - Ahmed M. A. El-Sayed; Fatma M. Gaafar (Appl. Math. Comput., 2003)

A Class of Nonlinear Boundary Value Problems for an Arbitrary Fractional-Order Differential Equation with the Riemann-Stieltjes Functional Integral and Infinite-Point Boundary Conditions. - Hari M. Srivastava; Ahmed M. A. El-Sayed; Fatma M. Gaafar (Symmetry, 2018)