Home › Authors › Karl Endel Petersen 👤 Karl Endel Petersen b. 1943 ยท 4 books Books by Karl Endel Petersen Entropy of hidden Markov processes and connections to dynamical systems 2011 Ergodic theory and its connection with harmonic analysis 1995 Brownian motion, Hardy spaces, and bounded mean oscillation 1977 Introductory ergodic theory Introductory ergodic theory 1971