%0 Journal Article %A V. Yu. Belashov %T Stability of two-dimensional and three-dimensional solitons in %J Doklady Akademii Nauk %D 1991 %P 85-89 %V 320 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_320_1_a17/ %G ru %F DAN_1991_320_1_a17