TY  - JOUR
AU  - M. B. Karmanova
TI  - Sub-Riemannian Co-Area Formula for Classes of Noncontact Mappings of Carnot Groups
JO  - Matematičeskie zametki
PY  - 2023
SP  - 940
EP  - 944
VL  - 114
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2023_114_6_a12/
LA  - ru
ID  - MZM_2023_114_6_a12
ER  -