TY - JOUR AU - A. L. Lukashov AU - S. V. Tyshkevich TI - Extremal rational functions on several arcs of the unit circle with zeros on these arcs JO - Izvestiya of Saratov University. Mathematics. Mechanics. Informatics PY - 2009 SP - 8 EP - 13 VL - 9 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ISU_2009_9_1_a1/ LA - ru ID - ISU_2009_9_1_a1 ER -