Waterman, Michael Smith (1969). Some Ergodic Properties of Multi-Dimensional F-Expansions (PhD thesis). Michigan State University. OCLC25799203. ProQuest302449931. (subscription required)
Waterman, Michael Smith (1969). Some Ergodic Properties of Multi-Dimensional F-Expansions (PhD thesis). Michigan State University. OCLC25799203. ProQuest302449931. (subscription required)