TY - JOUR AU - Kopp, P. E. TI - Abelian ergodic theorems for vector-valued functions JO - Glasgow mathematical journal PY - 1975 SP - 57 EP - 60 VL - 16 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500002512/ DO - 10.1017/S0017089500002512 ID - 10_1017_S0017089500002512 ER -