| 1976 | ||
|---|---|---|
| 2 | F. Joanne Helton: The Semigroup of an Algebra Automaton. J. Comput. Syst. Sci. 12(1): 13-24 (1976) | |
| 1974 | ||
| 1 | F. Joanne Helton, J. William Helton: Scattering theory and non linear systems. Category Theory Applied to Computation and Control 1974: 164-169 | |
| 1 | J. William Helton | [1] |