TY - JOUR AU - Price, Geoffrey L. TI - Shifts on Type II 1 Factors JO - Canadian journal of mathematics PY - 1987 SP - 492 EP - 511 VL - 39 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1987-021-2/ DO - 10.4153/CJM-1987-021-2 ID - 10_4153_CJM_1987_021_2 ER -