%0 Journal Article
%A Ghasemi, M., Azizi, A., Fardi, M.
%T Numerical solution of seven-order Sawada-Kotara
equations by homotopy perturbation method
%J Theory of Approximation and Applications
%V 7
%N 1
%P 69-77
%D 2013
%R 
%U https://sanad.iau.ir/fa/Article/909895