Stone Lattices
Grabowski, Adam
Elementary Number Theory Problems. Part XVIII
Grabowski, Adam
Tarski Geometry Axioms. Part V – Half-planes and Planes
Coghetto, Roland, Grabowski, Adam
Topological Interpretation of Rough Sets
Grabowski, Adam
The Formal Construction of Fuzzy Numbers
Grabowski, Adam
Definition of Flat Poset and Existence Theorems for Recursive Call
Ishida, Kazuhisa, Shidama, Yasunari, Grabowski, Adam