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2. On the equivalence of two models of finite-state noiseless channels from the point of view of the output;Csiszár, I.,1968
3. Endomorphisms of irreducible subshifts of finite type;Coven, Ethan M.;Math. Systems Theory,1974
4. Sofic systems;Coven, Ethan M.;Israel J. Math.,1975
5. Graphs and symbolic dynamics;Fischer, R.,1977