TY  - JOUR
AU  - Jerzy Ombach
TI  - Sinks, sources and saddles for expansive flows with the pseudo-orbits tracing property
JO  - Annales Polonici Mathematici
PY  - 1991
SP  - 237
EP  - 252
VL  - 53
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-53-3-237-252/
DO  - 10.4064/ap-53-3-237-252
LA  - en
ID  - 10_4064_ap_53_3_237_252
ER  -