%0 Journal Article
%A V. I. Vasyunin
%T A~characterization of finite unions of interpolation sets in terms of solvability of interpolation problems
%J Zapiski Nauchnykh Seminarov POMI
%D 1984
%P 31-35
%V 135
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1984_135_a1/
%G ru
%F ZNSL_1984_135_a1