%0 Journal Article %A R. R. Gadyl'shin %A O. M. Kiselev %T On nonsolution structure of scattering data under perturbation of two-dimensional soliton for Davey–Stewartson equation II %J Teoretičeskaâ i matematičeskaâ fizika %D 1996 %P 200-208 %V 106 %N 2 %U http://geodesic.mathdoc.fr/item/TMF_1996_106_2_a1/ %G ru %F TMF_1996_106_2_a1