1. On the summation of rational functions;Abramov;USSR Comput. Math. Math. Phys.,1971
2. The rational component of the solution of a first order linear recurrence relation with rational right hand side;Abramov;Ž. Vyčisl. Mat. Mat. Fiz.,1975
3. Indefinite sums of rational functions;Abramov,1995
4. Rational solutions of linear difference and q-difference equations with polynomial coefficients;Abramov,1995
5. Rational solutions of first order linear difference systems;Abramov,1998