TY - JOUR AU - Farsi, Carla AU - Watling, Neil TI - Abstract Characterizationsof Fixed Point Sub Algebrasof the Rotation Algebra JO - Canadian journal of mathematics PY - 1994 SP - 1211 EP - 1237 VL - 46 IS - 6 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1994-069-4/ DO - 10.4153/CJM-1994-069-4 ID - 10_4153_CJM_1994_069_4 ER -