Existence of periodic solution for a nonlinear fractional differential equation. Belmekki, Mohammed; Nieto, Juan J.; Rodríguez-López, Rosana — 2009 Boundary Value Problems [electronic only]
A survey on semilinear differential equations and inclusions involving Riemann-Liouville fractional derivative. Agarwal, Ravi P.; Belmekki, Mohammed; Benchohra, Mouffak — 2009 Advances in Difference Equations [electronic only]