TY - JOUR AU - G. A. Akishev TI - On degrees of approximation of some classes by polynomials with respect to generalized Haar system JO - Sibirskie èlektronnye matematičeskie izvestiâ PY - 2006 SP - 92 EP - 105 VL - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SEMR_2006_3_a3/ LA - ru ID - SEMR_2006_3_a3 ER -