%0 Journal Article
%A Kharibegashvili,  Sergo
%A Midodashvili,  Bidzina
%T Solvability of characteristic boundary-value problems for nonlinear equations with iterated wave operator in the principal part
%J Electronic journal of differential equations
%D 2008
%V 2008
%U http://geodesic.mathdoc.fr/item/EJDE_2008__2008__a27/
%G en
%F EJDE_2008__2008__a27