%0 Journal Article
%A V. A. Marchenko
%A I. V. Ostrovskii
%T A characterization of the spectrum of Hill’s operator
%J Doklady Akademii Nauk
%D 1975
%P 1283-1286
%V 222
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1975_222_6_a5/
%G ru
%F DAN_1975_222_6_a5