%0 Journal Article
%A Mariya N. Kuznetsova
%A Asli Pekcan
%A Anatoliy V. Zhiber
%T The Klein–Gordon Equation and Differential Substitutions of the Form $v=\varphi(u,u_x,u_y)$
%J Symmetry, integrability and geometry: methods and applications
%D 2012
%V 8
%U http://geodesic.mathdoc.fr/item/SIGMA_2012_8_a89/
%G en
%F SIGMA_2012_8_a89