| |
| 1989 | ||
|---|---|---|
| 3 | Le Van Bao, Ho Thuan: Key ad superkey for a closure function. Acta Cybern. 9(1): 73-88 (1989) | |
| 1987 | ||
| 2 | János Demetrovics, Ho Thuan, Nguyen Xuan Huy, Le Van Bao: Translation of Relation Schemes, Balanced Relation Schemes and the Problem of Key Representation. Elektronische Informationsverarbeitung und Kybernetik 23(2/3): 81-97 (1987) | |
| 1985 | ||
| 1 | Ho Thuan, Le Van Bao: Some results about key of relational schemas. Acta Cybern. 7(1): 99-113 (1985) | |
| 1 | János Demetrovics | [2] |
| 2 | Nguyen Xuan Huy | [2] |
| 3 | Ho Thuan | [1] [2] [3] |