TY - JOUR AU - K. G. Valēēv TI - Linear difference equations with exponential coefficients JO - Differencialʹnye uravneniâ PY - 1969 SP - 499 EP - 506 VL - 5 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1969_5_3_a9/ LA - ru ID - DE_1969_5_3_a9 ER -