TY  - JOUR
AU  - V. R. Kireitov
TI  - On photometric quantities on a Riemannian manifold
JO  - Doklady Akademii Nauk
PY  - 1980
SP  - 27
EP  - 33
VL  - 252
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1980_252_1_a6/
LA  - ru
ID  - DAN_1980_252_1_a6
ER  -