%0 Journal Article %A P. G. Grinevich %T Rational solitons of the Veselov--Novikov equations are reflectionless two-dimensional potentials at fixed energy %J Teoretičeskaâ i matematičeskaâ fizika %D 1986 %P 307-310 %V 69 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1986_69_2_a14/ %G ru %F TMF_1986_69_2_a14