TY - JOUR AU - Barnett, C. AU - Wilde, I. F. TI - Averaging operators in non commutative Lp spaces II JO - Glasgow mathematical journal PY - 1984 SP - 121 EP - 126 VL - 25 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500005504/ DO - 10.1017/S0017089500005504 ID - 10_1017_S0017089500005504 ER -