%0 Journal Article
%A E. V. Sevost'yanova
%T On~properties of a perturbed elliptic operator with periodic coefficients
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1983
%P 217-218
%V 38
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1983_38_1_a27/
%G en
%F RM_1983_38_1_a27