@article{PSMIR_1975___S4_A19_0,
     author = {Ornstein, Donald S.},
     title = {Some {Open} {Problems} in {Ergodic} {Theory}},
     journal = {Publications de l'Institut de recherche math\'ematiques de Rennes},
     eid = {19},
     pages = {1--28},
     publisher = {D\'epartement de Math\'ematiques et Informatique, Universit\'e de Rennes},
     number = {S4},
     year = {1975},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PSMIR_1975___S4_A19_0/}
}