1. On the introduction of measures in infinite product sets;Andersen;Danske Vid. Selsk. Mat.-Fys. Medd.,1948
2. Contractive projections in Lp-spaces;Andô;Pacific J. Math.,1966
3. Proof of the ergodic theorem;Birkhoff;Proc. Nat. Acad. Sci. U.S.A.,1931
4. On the ergodic theorem without the assumption of positivity;Chacón;Bull. Amer. Math. Soc.,1961
5. A class of linear transformations;Chacón;Proc. Amer. Math. Soc.,1964