An application of linear programming to the minimization of boolean functionsA. CobhamR. Fridshalet al.1961SWCT 1961
Stochastic automata with large state spaces and low rankAlan Cobham1986Linear Algebra and Its Applications
Representation of a word function as the sum of two functionsAlan Cobham1977Mathematical Systems Theory
On the base-dependence of sets of numbers recognizable by finite automataAlan Cobham1969Mathematical Systems Theory