%0 Journal Article
%A Ibragimov,  R.N.
%T Approximate equivalence transformations and invariant solutions of a perturbed nonlinear wave equation
%J Electronic journal of differential equations
%D 2001
%V 2001
%U http://geodesic.mathdoc.fr/item/EJDE_2001__2001__a19/
%G en
%F EJDE_2001__2001__a19