%0 Journal Article
%A K. F. Chernykh
%T On the necessity of taking geometric nonlinearity into account in
%J Doklady Akademii Nauk
%D 1989
%P 1336-1338
%V 306
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1989_306_6_a12/
%G ru
%F DAN_1989_306_6_a12