%0 Journal Article %A Ryotaro Sato %T On a vector-valued local ergodic theorem in $L_∞$ %J Studia Mathematica %D 1999 %P 285-298 %V 132 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-132-3-285-298/ %R 10.4064/sm-132-3-285-298 %G en %F 10_4064_sm_132_3_285_298