%0 Journal Article %A A. I. Klevin %T Asymptotic eigenfunctions of the~``bouncing ball'' type for the~two-dimensional Schr\"odinger operator with a~symmetric potential %J Teoretičeskaâ i matematičeskaâ fizika %D 2019 %P 429-444 %V 199 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2019_199_3_a5/ %G ru %F TMF_2019_199_3_a5