%0 Journal Article
%A A. P. Sadovskii
%T An elementary proof and applications of a theorem of F.~Takens
%J Differencialʹnye uravneniâ
%D 1980
%P 2284-2287
%V 16
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1980_16_12_a21/
%G ru
%F DE_1980_16_12_a21