Moore, Cristopher (2019-07-31). "Automata, languages, and grammars". arXiv:1907.12713 [cs.CC].
Ferraguti, A.; Micheli, G.; Schnyder, R. (2018), Irreducible compositions of degree two polynomials over finite fields have regular structure, The Quarterly Journal of Mathematics, vol. 69, Oxford University Press, pp. 1089–1099, arXiv:1701.06040, doi:10.1093/qmath/hay015, S2CID3962424
Ashby, William Ross (1967-01-15). "The Place of the Brain in the Natural World"(PDF). Currents in Modern Biology. 1 (2): 95–104. doi:10.1016/0303-2647(67)90021-4. PMID6060865. Archived from the original(PDF) on 2023-06-04. Retrieved 2021-03-29.: "The theories, now well developed, of the "finite-state machine" (Gill, 1962), of the "noiseless transducer" (Shannon and Weaver, 1949), of the "state-determined system" (Ashby, 1952), and of the "sequential circuit", are essentially homologous."
Ferraguti, A.; Micheli, G.; Schnyder, R. (2018), Irreducible compositions of degree two polynomials over finite fields have regular structure, The Quarterly Journal of Mathematics, vol. 69, Oxford University Press, pp. 1089–1099, arXiv:1701.06040, doi:10.1093/qmath/hay015, S2CID3962424
Ashby, William Ross (1967-01-15). "The Place of the Brain in the Natural World"(PDF). Currents in Modern Biology. 1 (2): 95–104. doi:10.1016/0303-2647(67)90021-4. PMID6060865. Archived from the original(PDF) on 2023-06-04. Retrieved 2021-03-29.: "The theories, now well developed, of the "finite-state machine" (Gill, 1962), of the "noiseless transducer" (Shannon and Weaver, 1949), of the "state-determined system" (Ashby, 1952), and of the "sequential circuit", are essentially homologous."
rossashby.info
Ashby, William Ross (1967-01-15). "The Place of the Brain in the Natural World"(PDF). Currents in Modern Biology. 1 (2): 95–104. doi:10.1016/0303-2647(67)90021-4. PMID6060865. Archived from the original(PDF) on 2023-06-04. Retrieved 2021-03-29.: "The theories, now well developed, of the "finite-state machine" (Gill, 1962), of the "noiseless transducer" (Shannon and Weaver, 1949), of the "state-determined system" (Ashby, 1952), and of the "sequential circuit", are essentially homologous."
Ferraguti, A.; Micheli, G.; Schnyder, R. (2018), Irreducible compositions of degree two polynomials over finite fields have regular structure, The Quarterly Journal of Mathematics, vol. 69, Oxford University Press, pp. 1089–1099, arXiv:1701.06040, doi:10.1093/qmath/hay015, S2CID3962424
Ashby, William Ross (1967-01-15). "The Place of the Brain in the Natural World"(PDF). Currents in Modern Biology. 1 (2): 95–104. doi:10.1016/0303-2647(67)90021-4. PMID6060865. Archived from the original(PDF) on 2023-06-04. Retrieved 2021-03-29.: "The theories, now well developed, of the "finite-state machine" (Gill, 1962), of the "noiseless transducer" (Shannon and Weaver, 1949), of the "state-determined system" (Ashby, 1952), and of the "sequential circuit", are essentially homologous."