TY  - JOUR
AU  - I. A. Tel'nykh
TI  - Topological classification of supertransitive flows on closed nonorientable surfaces. I:~Necessary conditions for topological equivalence
JO  - Matematičeskie zametki
PY  - 2000
SP  - 461
EP  - 470
VL  - 68
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2000_68_3_a15/
LA  - ru
ID  - MZM_2000_68_3_a15
ER  -