1. Feedback in synchronous sequential switching circuits;Friedman;IEEE Trans. Electron. Computers,1966
2. Algebraic Structure Theory of Sequential Machines;Hartmanis,1966
3. Zur Theorie der partiell-linearen Realisierung endlicher Automaten;Kandzia,1972
4. A linear decomposition for sequential machines;Marino;IEEE Trans. Computers,1970
5. Linear and Partial-Linear Realization of Automata;Reusch,1969