TY - JOUR AU - S. V. Kislyakov AU - N. Ya. Kruglyak TI - Stability of Approximation Under the Action of Singular Integral Operators JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2006 SP - 49 EP - 64 VL - 40 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2006_40_4_a4/ LA - ru ID - FAA_2006_40_4_a4 ER -