Parabolic Subgroups and Cuspidal Representations of Finite Monoids. - Jan Okninski; Mohan S. Putcha (Int. J. Algebra Comput., 1991)

Quadratic Algebras of Skew Type Satisfying the Cyclic Condition. - Eric Jespers; Jan Okninski (Int. J. Algebra Comput., 2004)

Primes of Height One and a Class of Noetherian Finitely Presented Algebras. - Isabel Goffa; Eric Jespers; Jan Okninski (Int. J. Algebra Comput., 2007)

Normal Domains with Monomial Presentations. - Isabel Goffa; Eric Jespers; Jan Okninski (Int. J. Algebra Comput., 2009)