TY - JOUR AU - A. A. Efimov TI - Approximation of continuous functions by Riesz means JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1986 SP - 67 EP - 70 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1986_6_a16/ LA - ru ID - VMUMM_1986_6_a16 ER -