1. Œuvres Complètes de Niels Henrik Abel. Tome II;Abel,1981
2. The rational component of the solution of a first order linear recurrence relation with rational right-hand side;Abramov;Ž. Vyčisl. Mat. i Mat. Fiz.,1990
3. Rational solutions of linear differential and difference equations with polynomial coefficients;Abramov;USSR Comput. Math. Math. Phys.,1998
4. Indefinite sums of rational functions;Abramov,1995
5. Rational solutions of linear difference and q-difference equations with polynomial coefficients;Abramov,1995