I. Chajda, M. Kolaŕík

A common approach to directoids with an antitone involution and D-quasirings

T.K. Dutta, S. Kar, B. K. Maity

On ideals in regular ternary semigroups

S. Chattopadhyay, M.K. Sen

Wreath product of a semigroup and a $Γ$-semigroup

T. Brengos

On covariety lattices

A. Bhuniya, A.K. Bhuniya

On the Lattice of Congruences on Inverse Semirings

G. Dymek

Noetherian and Artinian pseudo MV-algebras

T. Kurmayya, K. C. Sivakumar

Positive splittings of matrices and their nonnegative Moore-Penrose inverses

M. Kolařík

Normalization of basic algebras

I. Chajda, H. Langer

Minimal bounded lattices with an antitone involution the complemented elements of which do not form a sublattice