TY  - JOUR
AU  - V. I. Zubov
TI  - The structure of a topological transformation defined by a system
JO  - Doklady Akademii Nauk
PY  - 1991
SP  - 1298
EP  - 1303
VL  - 317
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1991_317_6_a2/
LA  - ru
ID  - DAN_1991_317_6_a2
ER  -