B. Budimirović, V. Budimirović, B. Seselja

On p-semirings

R. Halas

On M-operators of q-lattices

I. Chajda, R. Halas

Congruence submodularity

S. Cernak, M. Demko

Lexico extension and a cut completion of a half l-group

B. Zeković

Frobenius n-group algebras

W. Houbowski

An inverse matrix of an upper triangular matrix can be lower triangular

S. Radeleczki

Classification systems and their lattice

I. Chajda, K. Dusek

Quasi-implication algebras

P. Zhdanovich

Free Abelian extensions in the congruence-permutable varieties