| |
| 1993 | ||
|---|---|---|
| 2 | Li Sek Su: Relationship Between Petri Net Languages' Classes L0 and T0 in the Case of lambda-Nonconsideration. Elektronische Informationsverarbeitung und Kybernetik 29(4): 215-219 (1993) | |
| 1991 | ||
| 1 | Li Sek Su: Relationships Between Classes of Petri Net Language. Elektronische Informationsverarbeitung und Kybernetik 27(8): 433-443 (1991) | |