%0 Journal Article %A A. A. Vasil'eva %T Estimates for the widths of discrete function classes generated by a~two-weight summation operator %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2016 %P 308-324 %V 294 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2016_294_a19/ %G ru %F TM_2016_294_a19