@article{ISU_2013_13_1_a15,
     author = {O. A. Koroleva},
     title = {On {Convergence} of {Riesz} {Means} of the {Expansions} in {Eigen} and {Associated} {Functions} of {Integral} {Operator} with {Kernel} {Having} {Jumps} on {Broken} {Lines}},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {63--67},
     publisher = {mathdoc},
     volume = {13},
     number = {1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2013_13_1_a15/}
}