TY - JOUR AU - V. N. Berestovskii AU - I. A. Zubareva TI - Locally isometric coverings of the Lie group $\mathrm{SO}_0(2,1)$ with special sub-Riemannian metric JO - Sbornik. Mathematics PY - 2016 SP - 1215 EP - 1235 VL - 207 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_2016_207_9_a1/ LA - en ID - SM_2016_207_9_a1 ER -