%0 Journal Article
%A R. P. Kuzmina
%T On an upper estimate for the number of central configurations in the planar $n$-body problem
%J Doklady Akademii Nauk
%D 1977
%P 1016-1019
%V 234
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1977_234_5_a6/
%G ru
%F DAN_1977_234_5_a6