| Type | Title | Author | Publisher | Year |
| Article | Regularity and Transitivity of Local-Automorphism Semigroups of Locally Finite Forests | Blazkova, R., Chvalina, J. | | 1983 |
| Article | Regularity and transitivity of local-automorphism semigroups of locally finite forests | Blazkova, R., Chvaline, J. | | 1983 |
| Article | Regulated Finite Index Language Families Collapse | Fernau, H., Holzer, M. | | 1996 |
| Article | Regulated gramamrs with leftmost derivation | Fernau, H. | | |
| Article | Regulierte T0L-systeme I | Reusch, P.J.A. | | 1974 |
| Article | Rekurse | Kopriva, J., Racansky, V. | | 1981 |
| Article | Rekursivitat und Konstruktivitat | Peter, R. | | |
| Article | Rekurzivni funkce a rekurzivni programy | Kopriva, J. | | 1974 |
| Article | Relatives of 3-permutability and principal tolerance trivial varieties | Chajda, I. | | 1982 |
| Article | Remarks concerning self-reading sequences | Paun, Gh., Salomaa, A. | | 1993 |
| Article | Remarks on adult languages of propagating systems with restricted parallelism | Fernau, H. | | 1993 |
| Article | Remarks on the complexity of regulated rewriting | Dassow, J. | | 1984 |
| Article | Repetitions in Kolakoski sequence | Lepisto, A. | | |
| Article | Representation of rational functions with prefix and suffix codings | Harju, T., Kleijn, H.C.M., Latteux, M., Turlutte, A. | | 1993 |
| Article | Reset Machines | Book, R.V., Greibach, S.A., Wrathall, C. | | 1979 |
| Article | Restricted Parallelism and Right Linear Grammars | Rosebrugh, R.D., Wood, D. | | 1975 |
| Article | Retracts of algebras | Novotny, M. | | |
| Article | Reversal-bounded acceptors and intersections of linear languages | Book, R., Nivat, M., Paterson, M. | | 1974 |
| Article | Reversal-bounded multipushdown machines | Baker, B.S., Book, R.V. | | 1974 |
| Article | Reversibility and surjectivity problems of cellular automata | Kari, J. | | 1994 |
| Article | Reversibility of 2D cellular automata is undecidable | Kari, J. | | 1990 |
| Article | Reversible grammars and natural language processing | Franck, G. | | |
| Article | Rewriting systems with a clocking mechanism | Rozenberg, G., von Solms, S.H. | | 1977 |
| Article | Rewriting systems with limited distance permitting context | von Solms, S.H. | | 1980 |
| Article | Rice's theorem for the limit sets of cellular automata | Kari, J. | | 1994 |
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