%0 Journal Article %A L. I. Danilov %T On absolute continuity of the spectrum of three-dimensional periodic Dirac operator %J Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta %D 2006 %P 49-76 %V 35 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IIMI_2006_35_1_a2/ %G ru %F IIMI_2006_35_1_a2