%0 Journal Article %A V. I. Shrira %T Nonlinear waves at the surface of a liquid layer with a constant vorticity %J Doklady Akademii Nauk %D 1986 %P 1332-1336 %V 286 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_286_6_a12/ %G ru %F DAN_1986_286_6_a12