%0 Journal Article
%A G. S. Krechetov
%T Preservation of the property of stability in the presence of two zero roots and a one-parameter family of periodic solutions
%J Differencialʹnye uravneniâ
%D 1979
%P 2151-2154
%V 15
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1979_15_12_a4/
%G ru
%F DE_1979_15_12_a4