TY  - JOUR
AU  - M. B. Karmanova
TI  - Measure of Images of Contact Mappings on Two-Step Sub-Lorentzian Structures
JO  - Matematičeskie zametki
PY  - 2023
SP  - 149
EP  - 153
VL  - 113
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2023_113_1_a13/
LA  - ru
ID  - MZM_2023_113_1_a13
ER  -