@article{10_4064_sm_63_1_45_55,
     author = {Ryotaro Sato},
     title = {On local ergodic theorems for positive semigroups},
     journal = {Studia Mathematica},
     pages = {45--55},
     publisher = {mathdoc},
     volume = {63},
     number = {1},
     year = {1978},
     doi = {10.4064/sm-63-1-45-55},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-63-1-45-55/}
}