1. On polynomial solutions of linear operator equations;Abramov,1995
2. Rational solutions of linear difference and q-difference equations with polynomial coefficients;Abramov;Programmirovanie,1995
3. A direct algorithm to compute rational solutions of first order linear q-difference systems;Abramov;Discrete Math.,2002
4. q-hypergeometric solutions of q-difference equations;Abramov;Discrete Math.,1998
5. D'Alembertian solutions of inhomogeneous linear equations (differential, difference, and some other);Abramov,1996