A Note on Gröbner Bases and Integration of Rational Functions. - Günter Czichowski (J. Symb. Comput., 1995)

Construction of Involutive Monomial Sets for Different Involutive Divisions. - Vladimir P. Gerdt; Vladimir V. Kornyak; Matthias Berth; Günter Czichowski (CASC, 1999)

Using Invariants to Solve the Equivalence Problem for Ordinary Differential Equations. - Matthias Berth; Günter Czichowski (Appl. Algebra Eng. Commun. Comput., 2001)