%0 Journal Article
%A S. K. Vodop'yanov
%T Differentiability of maps of  Carnot groups of Sobolev classes
%J Sbornik. Mathematics
%D 2003
%P 857-877
%V 194
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_2003_194_6_a3/
%G en
%F SM_2003_194_6_a3