%0 Journal Article %A D. S. Chelkak %T The asymptotics of spectral data of the harmonic oscillator perturbed by a~potential %J Zapiski Nauchnykh Seminarov POMI %D 2003 %P 223-271 %V 303 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2003_303_a12/ %G ru %F ZNSL_2003_303_a12