%0 Journal Article
%A V. I. Vasyunin
%T On a system of step functions
%J Zapiski Nauchnykh Seminarov POMI
%D 1999
%P 49-70
%V 262
%U http://geodesic.mathdoc.fr/item/ZNSL_1999_262_a1/
%G ru
%F ZNSL_1999_262_a1