%0 Journal Article %A I. A. Taimanov %A S. P. Tsarev %T Two-dimensional Schr\"odinger operators with fast decaying potential and multidimensional $L_2$-kernel %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2007 %P 631-633 %V 62 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_2007_62_3_a15/ %G en %F RM_2007_62_3_a15