%0 Journal Article %A G. A. Omel'yanov %T Interaction of short waves with nonlinear phases in weakly nonlinear media with small viscosity %J Matematičeskie zametki %D 1990 %P 150-153 %V 48 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1990_48_5_a20/ %G ru %F MZM_1990_48_5_a20