1. Rational solutions of linear difference and q -difference equations with polynomial coefficients;Abramov;Program. Comput. Software,1995
2. S. A. Abramov, M. Bronstein, M. Petkovšek, Proceedings ISSAC ’95, Levelt, T. 1995, ACM Press, New York, 290, 296
3. q -Hypergeometric solutions of q -difference equations;Abramov;Discrete Math.,1998
4. The method of differentiating under the integral sign;Almkvist;J. Symb. Comput.,1990
5. An introduction to pseudo-linear algebra;Bronstein;Theor. Comput. Sci.,1996