Referee for peer reviewed journals:
J. Phys. A: Math. Theor.,
J. Comput. Appl. Math.,
J. Math. Anal. Appl.,
Math. Comp. Modelling,
Nonlinear Dynamics,
Bull. Belgian Math. Soc.,
Nuovo Cimento B,
Acta. Sci. Math. (Szeged),
Tamkang J. Math.,
Appl. Math. Model.,
Nonlinear Analysis: Model. Cont.,
Physics Lett. A,
J. Math. Physics,
Europhysics Letters,
Frac. Calc. Appl. Anal.,
Acta Appl. Math.,
Reports on Math. Phys.,
Commun. Stat.: Theory and Meth.,
Comput. Math. Appl.,
Math. Commun.,
Proc. Cong. in honor of Prof. J.S. Dehesa
(Special Issue of J. Comput. Appl. Math.),
Nonlin. Processes Geophys.,
Chaos, Solitons & Fractals,
Demonstratio Mathematica,
Phys. Fluids.