%0 Journal Article %A V. S. Buslaev %A L. A. Dmitrieva %T A Bloch electron in an external field %J Algebra i analiz %D 1989 %P 1-29 %V 1 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_1989_1_2_a0/ %G ru %F AA_1989_1_2_a0