@Article{MR0142147,
  author = {Gian-Carlo Rota},
  title  = {Une th\'eorie unifi\'ee des martingales et des moyennes ergodiques},
  journal = {C. R. Acad. Sci. Paris},
  year   = {1961},
  number = {},
  url    = {},

  const  = {\ text}
}