%0 Journal Article %A D. A. Vakhrameeva %A A. V. Pereskokov %T Asymptotics of the spectrum of a two-dimensional Hartree-type operator with a Coulomb self-action potential near the lower boundaries of spectral clusters %J Teoretičeskaâ i matematičeskaâ fizika %D 2019 %P 445-459 %V 199 %N 3 %U http://geodesic.mathdoc.fr/item/TMF_2019_199_3_a6/ %G ru %F TMF_2019_199_3_a6