TY  - JOUR
AU  - Ryotaro Sato
TI  - On pointwise ergodic theorems for positive operators
JO  - Studia Mathematica
PY  - 1990
SP  - 71
EP  - 84
VL  - 97
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm-97-2-71-84/
DO  - 10.4064/sm-97-2-71-84
LA  - en
ID  - 10_4064_sm_97_2_71_84
ER  -