@article{10_4064_sm_54_3_213_219,
     author = {Ryotaro Sato},
     title = {A mean ergodic theorem for a contraction semigroup in {Lebesgue} space},
     journal = {Studia Mathematica},
     pages = {213--219},
     publisher = {mathdoc},
     volume = {54},
     number = {3},
     year = {1975},
     doi = {10.4064/sm-54-3-213-219},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-54-3-213-219/}
}