TY  - JOUR
AU  - Philip Boyland
TI  - Rotation sets and monotone periodic orbits for annulus homeomorphisms.
JO  - Commentarii mathematici Helvetici
PY  - 1992
SP  - 203
EP  - 213
VL  - 67
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMH_1992__67_3_140265/
ID  - CMH_1992__67_3_140265
ER  -