1. Toom A.L. Non-ergodic multi-dimensional automata systems. Problemy Peredači Informacii, 10, (1974), vyp. 3, 70–79.
2. Vasershtein L.N., Markov processes on a conutable space product describing large automata systems, Problemy Peredači Informacii, 5, (1969), vyp. 3, 64–72.
3. Plesnevich G.S., Comparison of two consepts of computing on homogeneous iterative automata. The Conference on Automata Theory and Artificial Intellect, Tashkent, Abstracts of Communications, Computing Center of the USSR Academy of Sciences, Moscow, 1968 (Russ,).
4. Stockmeyer L. The complexity of decision problems in automata theory and logic, Project MAC MIT, 1974.
5. Chomsky N., Miller G.A., Finite state languages, Information and Control, 1, (1958), 91–112.