%0 Journal Article %A Gvazava, J. %T On second order nonlinear equations with rectilinear characteristics. %J Georgian Mathematical Journal %D 2000 %P 299-316 %V 7 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/GMJ_2000__7_2_48749/ %G en %F GMJ_2000__7_2_48749