%0 Journal Article
%A V. I. Buslaev
%T Necessary and sufficient conditions for~extending a~function to a~Schur function
%J Sbornik. Mathematics
%D 2020
%P 1660-1703
%V 211
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_2020_211_12_a0/
%G en
%F SM_2020_211_12_a0