%0 Journal Article %A V. A. Shlyk %T The spherical symmetrization and NED-sets on a~hyperplane %J Zapiski Nauchnykh Seminarov POMI %D 2012 %P 248-258 %V 404 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2012_404_a15/ %G ru %F ZNSL_2012_404_a15