A Characterization of the Inverse Monoid of Bi-Congruences of Certain Algebras. - Kalle Kaarli; László Márki (Int. J. Algebra Comput., 2009)

Subalgebras of the Squares of Finite Minimal Majority Algebras. - Kalle Kaarli (Int. J. Algebra Comput., 2013)

Ordered Relations, Concept Lattices and Self-bonds. - Kalle Kaarli; Sándor Radeleczki (J. Multiple Valued Log. Soft Comput., 2021)