Rewriting in Varieties of Idempotent Semigroups. - Ondrej Klíma 001; Miroslav Korbelár; Libor Polák (CAI, 2011)

Congruence-simple matrix semirings. - Vítezslav Kala; Tomás Kepka; Miroslav Korbelár (Int. J. Algebra Comput., 2024)