TY - JOUR AU - O. A. Ziza TI - On the rate of convergence of $(\varphi,\lambda)$-means of orthogonal series JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1995 SP - 93 EP - 96 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1995_4_a18/ LA - ru ID - VMUMM_1995_4_a18 ER -