%0 Journal Article %A A. V. Pereskokov %T Asymptotics of the Hartree operator spectrum near the upper boundaries of spectral clusters: Asymptotic solutions localized near a circle %J Teoretičeskaâ i matematičeskaâ fizika %D 2015 %P 78-89 %V 183 %N 1 %U http://geodesic.mathdoc.fr/item/TMF_2015_183_1_a4/ %G ru %F TMF_2015_183_1_a4