%0 Journal Article %A B. M. Levitan %T Almost periodicity of infinite-zone potentials %J Doklady Akademii Nauk %D 1980 %P 1044-1046 %V 253 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_253_5_a3/ %G ru %F DAN_1980_253_5_a3