Almost Periodic Transition Operators Acting on the Continuous Functions on a Compact Space Murray Rosenblatt Indiana University Mathematics Journal 1964 text pdf 10.1512/iumj.1964.13.13049 10.1512/iumj.1964.13.13049 en Indiana Univ. Math. J. 13 (1964) 837 - 847 state-of-the-art mathematics http://iumj.org/access/