TY - JOUR AU - A. Vagharshakyan TI - Linear causal filters and weighted polynomial approximation JO - Algebra i analiz PY - 2002 SP - 89 EP - 100 VL - 14 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_2002_14_6_a1/ LA - ru ID - AA_2002_14_6_a1 ER -