@article{10_4064_sm_60_2_111_129,
     author = {Roger Jones},
     title = {Inequalities for the ergodic maximal function},
     journal = {Studia Mathematica},
     pages = {111--129},
     year = {1977},
     volume = {60},
     number = {2},
     doi = {10.4064/sm-60-2-111-129},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-60-2-111-129/}
}