Solving a system of second order obstacle problems by a modified decomposition method. Momani, Shaher — 2006 Applied Mathematics E-Notes [electronic only]
Lyapunov stability solutions of fractional integrodifferential equations. Momani, Shaher; Hadid, Samir — 2004 International Journal of Mathematics and Mathematical Sciences
Upper and lower bounds of solutions for fractional integral equations. Ibrahim, Rabha W.; Momani, Shaher — 2007 Surveys in Mathematics and its Applications