TY - JOUR AU - Bjerklöv, Kristian AU - Jäger, Tobias TI - Rotation numbers for quasiperiodically forced circle maps-mode-locking vs. strict monotonicity JO - Journal of the American Mathematical Society PY - 2009 SP - 353 EP - 362 VL - 22 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-08-00627-9/ DO - 10.1090/S0894-0347-08-00627-9 ID - 10_1090_S0894_0347_08_00627_9 ER -