%0 Journal Article %A V. I. Karpman %A E. M. Maslov %T Evolution of solitons of the Korteweg--de Vries modified equation under the action of perturbations %J Doklady Akademii Nauk %D 1978 %P 581-583 %V 242 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_242_3_a20/ %G ru %F DAN_1978_242_3_a20