00395nam a2200121Ia 4500082002000000100004100020245002700061260005400088300002800142490006700170500000500237700003100242  a515.42bG687.TD  aGottschalk, W. H. and Hedlund, G. A.  aTopological dynamicsb  aRhode IslandbAmerican Mathematical Societyc1974  avii, 167p. Index, Bibl.  aAmerican Mathematical Society Colloquium Publications v v. 36  a  aHedlund, G. A. ; jt. auth.