%0 Journal Article %A J. Ahner %A V. V. Dyakin %A V. Ya. Raevskii %A S. Ritter %T Spectral properties of operators of the theory of harmonic potential %J Matematičeskie zametki %D 1996 %P 3-11 %V 59 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1996_59_1_a0/ %G ru %F MZM_1996_59_1_a0