BibTeX

@ARTICLE{iumj14027,
    author = "A. Garsia",
     title = "A Simple Proof of E. Hopf's Maximal Ergodic Theorem",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 14,
      year = 1965,
     issue = 3,
     pages = "381--382",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj14027}{article}{
     author = {Garsia, A.},
      title = {A Simple Proof of E. Hopf's Maximal Ergodic Theorem},
    journal = {Indiana Univ. Math. J.},
     volume = {14},
       year = {1965},
     number = {3},
      pages = {381 \ndash 382},
}