TY  - JOUR
AU  - M. V. Tryamkin
TI  - The Sub-Riemannian Curvature of Curves in the Borel Subgroup of the Group $\mathrm{SL}(2,\mathbb R)$
JO  - Matematičeskie zametki
PY  - 2018
SP  - 796
EP  - 800
VL  - 104
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2018_104_5_a19/
LA  - ru
ID  - MZM_2018_104_5_a19
ER  -