%0 Journal Article
%A V. I. Feigin
%T The asymptotic distribution of eigenvalues and a~formula of Bohr--Sommerfeld type
%J Sbornik. Mathematics
%D 1981
%P 61-81
%V 38
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1981_38_1_a4/
%G en
%F SM_1981_38_1_a4