%0 Journal Article
%A N. V. Efimov
%A S. B. Stechkin
%T Approximative compactness and Chebyshev sets
%J Doklady Akademii Nauk
%D 1961
%P 522-524
%V 140
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1961_140_3_a1/
%G ru
%F DAN_1961_140_3_a1