%0 Journal Article
%A I. A. Konovalov
%A Yu. V. Malyshev
%A V. P. Zakharov
%T The generalized principle of central symmetry
%J Differencialʹnye uravneniâ
%D 1986
%P 1689-1693
%V 22
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1986_22_10_a2/
%G ru
%F DE_1986_22_10_a2