TY - JOUR AU - S. A. Abramov TI - Rational solutions of linear differential and difference equations with polynomial coefficients JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1989 SP - 1611 EP - 1620 VL - 29 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1989_29_11_a1/ LA - ru ID - ZVMMF_1989_29_11_a1 ER -