%0 Journal Article %A M. Boiti %A F. Pempinelli %A A. K. Pogrebkov %A M. K. Polivanov %T Resolvent approach for two-dimensional scattering problems. Application to the nonstationary Schr\"odinger problem and KPI equation %J Teoretičeskaâ i matematičeskaâ fizika %D 1992 %P 181-210 %V 93 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1992_93_2_a0/ %G ru %F TMF_1992_93_2_a0