%0 Journal Article
%A D. S. Bykov
%A Yu. F. Dolgii
%T Approximating characteristic equations for autonomous systems of differential equations with aftereffect
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 2011
%P 10-23
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_2011_1_a1/
%G ru
%F IVM_2011_1_a1