%0 Journal Article %A I. A. Shishmarev %T On the smoothing of solutions of the Cauchy problem for a system of equations of surface waves %J Matematičeskie zametki %D 1989 %P 136-138 %V 45 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1989_45_1_a18/ %G ru %F MZM_1989_45_1_a18