TY  - JOUR
AU  - N. V. Denisova
TI  - The structure of infinitesimal symmetries of geodesic flows on a~two-dimensional torus
JO  - Sbornik. Mathematics
PY  - 1997
SP  - 1055
EP  - 1069
VL  - 188
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1997_188_7_a4/
LA  - en
ID  - SM_1997_188_7_a4
ER  -