On the Permanent of a Matrix
Romanowicz, Ewa, Grabowski, Adam
Topological Interpretation of Rough Sets
Grabowski, Adam
Definition of Flat Poset and Existence Theorems for Recursive Call
Ishida, Kazuhisa, Shidama, Yasunari, Grabowski, Adam
On Two Alternative Axiomatizations of Lattices by McKenzie and Sholander
Grabowski, Adam, Sawicki, Damian
On Fuzzy Negations Generated by Fuzzy Implications
Grabowski, Adam
The Formal Construction of Fuzzy Numbers
Grabowski, Adam