%0 Journal Article %A O. A. Koroleva %T On Convergence of Riesz Means of the Expansions in Eigen and Associated Functions of Integral Operator with Kernel Having Jumps on Broken Lines %J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics %D 2013 %P 63-67 %V 13 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ISU_2013_13_1_a15/ %G ru %F ISU_2013_13_1_a15