| 2009 | ||
|---|---|---|
| 2 | Ryszard Janicki, Nadezhda Zubkova: On Closure Operator for Interval Order Structures. FCS 2009: 108-114 | |
| 1 | Ryszard Janicki, Dai Tri Man Le, Nadezhda Zubkova: Closure Operators for Order Structures. FCT 2009: 217-229 | |
| 1 | Ryszard Janicki | [1] [2] |
| 2 | Dai Tri Man Le | [1] |