%0 Journal Article
%A V. G. Klimenko
%A V. L. Rvachev
%T The completeness with respect to energy of systems of coordinate functions which one constructs by the method of $R$-functions
%J Differencialʹnye uravneniâ
%D 1969
%P 1724-1726
%V 5
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1969_5_9_a18/
%G ru
%F DE_1969_5_9_a18