%0 Journal Article
%A V. Ya. Belov
%T A formula of Morse in the critical case
%J Doklady Akademii Nauk
%D 1984
%P 269-272
%V 274
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1984_274_2_a1/
%G ru
%F DAN_1984_274_2_a1