TY - JOUR AU - Izuchi, Keiji AU - Matsugu, Yasuo TI - A φ-Invariant Subspaces on the Torus JO - Canadian journal of mathematics PY - 1998 SP - 99 EP - 133 VL - 50 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1998-006-0/ DO - 10.4153/CJM-1998-006-0 ID - 10_4153_CJM_1998_006_0 ER -