%0 Journal Article
%A M. V. Tryamkin
%T The Sub-Riemannian Curvature of Curves in the Borel Subgroup of the Group $\mathrm{SL}(2,\mathbb R)$
%J Matematičeskie zametki
%D 2018
%P 796-800
%V 104
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_2018_104_5_a19/
%G ru
%F MZM_2018_104_5_a19