%0 Journal Article %A I. V. Simenog %T Asymptotically exact solutions for systems with singular potentials %J Teoretičeskaâ i matematičeskaâ fizika %D 1973 %P 266-279 %V 15 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1973_15_2_a9/ %G ru %F TMF_1973_15_2_a9