%0 Journal Article %A V. K. Mel'nikov %T Structure of Equations Solvable by the Inverse Scattering Transform for the Schr\"odinger Operator %J Teoretičeskaâ i matematičeskaâ fizika %D 2003 %P 110-123 %V 134 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2003_134_1_a9/ %G ru %F TMF_2003_134_1_a9