%0 Journal Article
%A V. F. Dem'yanov
%T On the extremal basis method
%J Doklady Akademii Nauk
%D 1976
%P 272-275
%V 229
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1976_229_2_a2/
%G ru
%F DAN_1976_229_2_a2