%0 Journal Article
%A D. V. Gorbachev
%A V. I. Ivanov
%A E. P. Ofitserov
%A O. I. Smirnov
%T Some extremal problems of harmonic analysis and approximation theory
%J Čebyševskij sbornik
%D 2017
%P 140-167
%V 18
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CHEB_2017_18_4_a6/
%G ru
%F CHEB_2017_18_4_a6