%0 Journal Article %A Philip Boyland %T Rotation sets and monotone periodic orbits for annulus homeomorphisms. %J Commentarii mathematici Helvetici %D 1992 %P 203-213 %V 67 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1992__67_3_140265/ %F CMH_1992__67_3_140265