TY - JOUR AU - Ryotaro Sato TI - Vector-valued ergodic theorems for multiparameter additive processes JO - Colloquium Mathematicum PY - 1999 SP - 193 EP - 202 VL - 79 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-79-2-193-202/ DO - 10.4064/cm-79-2-193-202 LA - en ID - 10_4064_cm_79_2_193_202 ER -