TY - JOUR TI - Commutative Systems of Covariance and a Generalization of Mackey's Imprimitivity Theorem JO - Canadian mathematical bulletin PY - 1984 SP - 390 EP - 397 VL - 27 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1984-060-6/ DO - 10.4153/CMB-1984-060-6 ID - 10_4153_CMB_1984_060_6 ER -