TY  - JOUR
AU  - M. B. Karmanova
TI  - On the Approximability and Parametrization of Preimages of Elements of Carnot Groups on Sub-Lorentzian Structures
JO  - Matematičeskie zametki
PY  - 2022
SP  - 140
EP  - 144
VL  - 111
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2022_111_1_a13/
LA  - ru
ID  - MZM_2022_111_1_a13
ER  -