%0 Journal Article %A R. G. Novikov %T Construction of two-dimensional Schrödinger operator with given scattering amplitude at fixed energy %J Teoretičeskaâ i matematičeskaâ fizika %D 1986 %P 234-240 %V 66 %N 2 %U http://geodesic.mathdoc.fr/item/TMF_1986_66_2_a7/ %G ru %F TMF_1986_66_2_a7