| |
| 1990 | ||
|---|---|---|
| 3 | Alex Heller: An Existence Theorem for Recursion Categories. J. Symb. Log. 55(3): 1252-1268 (1990) | |
| 1987 | ||
| 2 | Robert A. Di Paola, Alex Heller: Dominical Categories: Recursion Theory without Elements. J. Symb. Log. 52(3): 594-635 (1987) | |
| 1967 | ||
| 1 | Alex Heller: Probabilistic Automata and Stochastic Transformations. Mathematical Systems Theory 1(3): 197-208 (1967) | |
| 1 | Robert A. Di Paola | [2] |