%0 Journal Article
%A Yu. P. Chuburin
%T On small perturbations of the Schrödinger equation with periodic potential
%J Teoretičeskaâ i matematičeskaâ fizika
%D 1997
%P 443-453
%V 110
%N 3
%U http://geodesic.mathdoc.fr/item/TMF_1997_110_3_a7/
%G ru
%F TMF_1997_110_3_a7