%0 Journal Article %A G. A. Mesyats %A V. I. Solomonov %A S. G. Mikhailov %A V. V. Osipov %T On possibility of improving energy levels structure in solids %J Doklady Akademii Nauk %D 1994 %P 757-760 %V 339 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1994_339_6_a8/ %G ru %F DAN_1994_339_6_a8