%0 Journal Article
%A N. N. Nekhoroshev
%T Stable lower estimates for smooth mappings and for gradients of smooth function
%J Sbornik. Mathematics
%D 1973
%P 425-467
%V 19
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1973_19_3_a4/
%G en
%F SM_1973_19_3_a4