%0 Journal Article
%A A. L. Vol'berg
%A V. A. Tolokonnikov
%T Hankel operators and problems of best approximation of unbounded functions
%J Zapiski Nauchnykh Seminarov POMI
%D 1985
%P 5-17
%V 141
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1985_141_a0/
%G ru
%F ZNSL_1985_141_a0