1. Darboux problem for implicit impulsive partial hyperbolic differential equations;Abbas;Electron. J. Differ. Equ.,2011
2. On the set of solutions of fractional order Riemann–Liouville integral inclusions;Abbas;Demonstratio Math.,2013
3. Fractional order Riemann–Liouville integral equations with multiple time delay;Abbas;Appl. Math. E-Notes,2012
4. On global asymptotic stability of solutions of nonlinear quadratic Volterra integral equations of fractional order;Abbas;Commun. Appl. Nonlinear Anal.,2012
5. Topics in Fractional Differential Equations;Abbas,2012