TY  - JOUR
AU  - P. I. Topalov
TI  - Tensor invariants of natural mechanical systems on compact surfaces, and the corresponding integrals
JO  - Sbornik. Mathematics
PY  - 1997
SP  - 307
EP  - 326
VL  - 188
IS  - 2
UR  - http://geodesic.mathdoc.fr/item/SM_1997_188_2_a6/
LA  - en
ID  - SM_1997_188_2_a6
ER  -