%0 Journal Article %A L. B. Zelenko %T Asymptotic distribution of eigenvalues in a~lacuna of the continuous spectrum of the perturbed Hill operator %J Matematičeskie zametki %D 1976 %P 341-350 %V 20 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1976_20_3_a4/ %G ru %F MZM_1976_20_3_a4