%0 Journal Article %A Lee, Felix %T A Mean Ergodic Theorem for Multiparameter Superadditive Processes on Banach Lattices %J Canadian journal of mathematics %D 1990 %P 1018-1040 %V 42 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1990-054-x/ %R 10.4153/CJM-1990-054-x %F 10_4153_CJM_1990_054_x