00323nam a2200121Ia 4500082002000000100002700020245003700047260003300084300002000117490005400137500000500191700000500196  a515.42bF911.IE  aFriedman, Nathaniel A.  aIntroduction to ergodic theoryb  aNew YorkbVan Nostrandc1970  aiv, 143p. Bibl.  aVan Nostrand Reinhold Mathematical studiesv v.29  a  a