%0 Journal Article %A V. I. Petviashvili %T Periodic wave decay in weakly dispersing media %J Doklady Akademii Nauk %D 1971 %P 1307-1309 %V 201 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_201_6_a10/ %G ru %F DAN_1971_201_6_a10