TY - JOUR AU - N. A. Baraboshkina TI - Approximation of harmonic functions by algebraic polynomials on a~circle of radius smaller than one with constraints on the unit circle JO - Trudy Instituta matematiki i mehaniki PY - 2013 SP - 71 EP - 78 VL - 19 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2013_19_2_a6/ LA - ru ID - TIMM_2013_19_2_a6 ER -