TY - GEN TY - GEN T1 - An introduction to ergodic theory T2 - Graduate texts in mathematics A1 - Walters, Peter LA - eng PP - New York, NY PB - Springer YR - 1982 UL - https://kansalliskirjasto.finna.fi/Record/helka.9914161843506253 SN - 0-387-90599-5 ER -