TY  - JOUR
AU  - E. Z. Borevich
TI  - Two-dimensional Morse--Smale diffeomorphisms that have oriented heteroclinic connections
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1989
SP  - 77
EP  - 79
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1989_9_a13/
LA  - ru
ID  - IVM_1989_9_a13
ER  -