%0 Journal Article %A N. Ya. Kirpichnikova %T Waves on the survace of a heavy fluid from the standpoint of the space-time ray-tracing method and its modifications (linear theory) %J Zapiski Nauchnykh Seminarov POMI %D 1987 %P 91-101 %V 165 %U http://geodesic.mathdoc.fr/item/ZNSL_1987_165_a8/ %G ru %F ZNSL_1987_165_a8