Computation of partially invariant solutions for the Einstein Walker manifolds' identifying equations. - Mehdi Nadjafikhah; Mehdi Jafari (Commun. Nonlinear Sci. Numer. Simul., 2013)

Conservation laws and exact solutions of the Whitham-type equations. - Vahid Shirvani-Sh; Mehdi Nadjafikhah (Commun. Nonlinear Sci. Numer. Simul., 2014)

Approximate symmetry and exact solutions of the singularly perturbed Boussinesq equation. - Mohammad Rahimian; Megerdich Toomanian; Mehdi Nadjafikhah (Commun. Nonlinear Sci. Numer. Simul., 2017)