%0 Journal Article %A P. I. Naumkin %A I. A. Shishmarev %T On a system of equations describing surface waves %J Izvestiya. Mathematics %D 1991 %P 119-156 %V 37 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1991_37_1_a5/ %G en %F IM2_1991_37_1_a5