REFERENCES
- ADAM , A. , 1968 , Truth Functions and the Problem of their Realization by Two-terminal Graphs ( Budapest : Akademiai Kiado ).
- GLUSHKOV , V. M. , 1966 , Introduction to Cybernetics ( New York : Academic Press ).
- KOBRINSKII , N. E. , and TRAKHTENBROT , B. A. , 1965 , Introduction to the Theory of Finite Automata ( Amsterdam : North-Holland Publishing Company ).
- LOOMIS , H. H. , and WYMAN , R. H. , 1965 , I.E.E.E. Trans. electronic comput. , 14 , 173 .
- †Communicated by Author.