TY  - JOUR
AU  - Nguyen Tien Zung
TI  - Topological invariants of integrable geodesic flows on the higher-dimensional torus and sphere
JO  - Informatics and Automation
PY  - 1994
SP  - 73
EP  - 90
VL  - 205
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1994_205_a5/
LA  - ru
ID  - TRSPY_1994_205_a5
ER  -