@article{10_4064_cm_55_2_311_316,
     author = {T. Downarowicz and A. Iwanik},
     title = {Multiple recurrence for discrete time {Markov} processes. {II}},
     journal = {Colloquium Mathematicum},
     pages = {311--316},
     publisher = {mathdoc},
     volume = {55},
     number = {2},
     year = {1987},
     doi = {10.4064/cm-55-2-311-316},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-55-2-311-316/}
}