%0 Journal Article %A Yu. G. Voronova %A A. V. Zhiber %T Symmetries and Goursat problem for system of equations $u_{xy}=e^{u+v}u_y$, $v_{xy}=-e^{u+v}v_y$ %J Ufa mathematical journal %D 2013 %P 20-27 %V 5 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/UFA_2013_5_3_a2/ %G en %F UFA_2013_5_3_a2