%0 Journal Article %A L. I. Danilov %T Absolute Continuity of the Spectrum of a Periodic Schr\"odinger Operator %J Matematičeskie zametki %D 2003 %P 49-62 %V 73 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2003_73_1_a4/ %G ru %F MZM_2003_73_1_a4