Potential Divisibility in Finite Semigroups is Undecidable. - Stanislav I. Kublanovsky; Mark V. Sapir (Int. J. Algebra Comput., 1998)

A Variety Where the Set of Subalgebras of Finite Simple Algebras is Not Recursive. - Stanislav I. Kublanovsky; Mark V. Sapir (Int. J. Algebra Comput., 1998)

A minimal nonfinitely based semigroup whose variety is polynomially recognizable - Mikhail V. Volkov 001; Svetlana V. Goldberg; Stanislav I. Kublanovsky (CoRR, 2010)