%0 Journal Article %A A. L. Lukashov %A S. V. Tyshkevich %T Extremal rational functions on several arcs of the unit circle with zeros on these arcs %J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics %D 2009 %P 8-13 %V 9 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ISU_2009_9_1_a1/ %G ru %F ISU_2009_9_1_a1