00426nam a2200133Ia 4500082002100000100001900021245004000040260005200080300001800132490005400150500007800204500000500282700000500287  a515.42bSc352.AI  aSchmidt, Klaus  aAlgebraic ideas in ergodic theoryb  aProvidencebAmerican Mathematical Societyc1990  av, 94p. Index  aRegional Conference series in Mathematicsv no.76  aConference Board of Mathematical Sciences; Seattle, Washington, July 1989  a  a