 | 2008 |
| 13 |  | Frank Drewes,
Christine du Toit,
Sigrid Ewert,
Brink van der Merwe,
Andries P. J. van der Walt:
Bag Context Tree Grammars.
Fundam. Inform. 86(4): 459-480 (2008) |
| 2006 |
| 12 |  | Frank Drewes,
Christine du Toit,
Sigrid Ewert,
Brink van der Merwe,
Andries P. J. van der Walt:
Bag Context Tree Grammars.
Developments in Language Theory 2006: 226-237 |
| 2005 |
| 11 |  | Frank Drewes,
Christine du Toit,
Sigrid Ewert,
Johanna Högberg,
Brink van der Merwe,
Andries P. J. van der Walt:
Random context tree grammars and tree transducers.
South African Computer Journal 34: 11-25 (2005) |
| 2003 |
| 10 |  | Sigrid Ewert,
Andries P. J. van der Walt:
The Power and Limitations of Random Context.
Grammars and Automata for String Processing 2003: 33-44 |
| 9 |  | Andries P. J. van der Walt,
Sigrid Ewert:
A property of random context picture grammars.
Theor. Comput. Sci. 1-3(301): 313-320 (2003) |
| 2002 |
| 8 |  | Sigrid Ewert,
Andries P. J. van der Walt:
A pumping lemma for random permitting context languages.
Theor. Comput. Sci. 270(1-2): 959-967 (2002) |
| 2000 |
| 7 |  | Andries P. J. van der Walt,
Sigrid Ewert:
A shrinking lemma for random forbidding context languages.
Theor. Comput. Sci. 237(1-2): 149-158 (2000) |
| 1999 |
| 6 |  | Sigrid Ewert,
Andries P. J. van der Walt:
Generating Pictures Using Random Permitting Context.
IJPRAI 13(3): 339-355 (1999) |
| 5 |  | Sigrid Ewert,
Andries P. J. van der Walt:
A Hierarchy Result for Random Forbidding Context Picture Grammars.
IJPRAI 13(7): 997-1008 (1999) |
| 4 |  | Sigrid Ewert,
Andries P. J. van der Walt:
Shrink Indecomposable Fractals.
J. UCS 5(9): 521-531 (1999) |
| 1998 |
| 3 |  | Sigrid Ewert,
Andries P. J. van der Walt:
Generating Pictures Using Random Forbidding Context.
IJPRAI 12(7): 939-950 (1998) |
| 1976 |
| 2 |  | Andries P. J. van der Walt:
Locally Linear Families of Languages
Information and Control 32(1): 27-32 (1976) |
| 1971 |
| 1 |  | Andries P. J. van der Walt:
Random Context Languages.
IFIP Congress (1) 1971: 66-68 |