TY - JOUR AU - S. A. Abramov TI - Second order finite-difference equations with constant coefficients in the field of rational functions JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1977 SP - 579 EP - 584 VL - 17 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1977_17_3_a3/ LA - ru ID - ZVMMF_1977_17_3_a3 ER -