M. Borowiecki

Memory of Kazimierz Głazek

I. Chajda

Note on algebraic interior systems

I. Chajda

Distributivity of bounded lattices with sectionally antitone involutions

G. Ricci

A semantic construction of two-ary integers

A. Chantasartrassmee, J. Koppitz

Presolid varieties of n-semigroups

E. Jerábek, T. Kepka, D. Stanovsky

Subdirectly irreducible non-idempotent left symmetric left distributive groupoids