| |
| 2007 | ||
|---|---|---|
| 2 | EE | Tongjun Li, Jianmin Ma: Fuzzy Approximation Operators Based on Coverings. RSFDGrC 2007: 55-62 |
| 2006 | ||
| 1 | EE | Tongjun Li: On Axiomatic Characterization of Approximation Operators Based on Atomic Boolean Algebras. RSKT 2006: 129-134 |
| 1 | Jianmin Ma | [2] |