TY - JOUR AU - Ya. S. Bugrov TI - Fractional difference operators and function classes JO - Informatics and Automation PY - 1985 SP - 60 EP - 70 VL - 172 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1985_172_a4/ LA - ru ID - TRSPY_1985_172_a4 ER -