%0 Journal Article
%A I. A. Bogaevsky
%T Asymptotic behaviour of the sphere and front of a~flat sub-Riemannian structure on the Martinet distribution
%J Sbornik. Mathematics
%D 2022
%P 624-640
%V 213
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_2022_213_5_a2/
%G en
%F SM_2022_213_5_a2