Preface
Grabowski, Adam, Shidama, Yasunari
Elementary Number Theory Problems. Part XVIII
Grabowski, Adam
On the Lattice of Intervals and Rough Sets
Grabowski, Adam, Jastrzębska, Magdalena
Automatization of Ternary Boolean Algebras
Kuśmierowski, Wojciech, Grabowski, Adam
Formalization of Trellises and Tolerance Relations
Grabowski, Adam, Turowski, Franciszek
Tarski Geometry Axioms
Richter, William, Grabowski, Adam, Alama, Jesse