%0 Journal Article
%A I. Z. Pesenson
%T Functions which are smooth along vector fields
%J Matematičeskie zametki
%D 1990
%P 95-102
%V 48
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1990_48_1_a13/
%G ru
%F MZM_1990_48_1_a13