%0 Journal Article
%A N. A. Shirokov
%T Inverse approximation theorem on an infinite union of segments
%J Zapiski Nauchnykh Seminarov POMI
%D 2002
%P 168-176
%V 290
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_2002_290_a7/
%G ru
%F ZNSL_2002_290_a7