%0 Journal Article
%A B. M. Levitan
%T On the closure of the set of finite-zone potentials
%J Sbornik. Mathematics
%D 1985
%P 67-89
%V 51
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1985_51_1_a4/
%G en
%F SM_1985_51_1_a4