%0 Journal Article
%A Yu. F. Dolgii
%T Construction of the approached characteristic equations for time-invariant systems of differential equations with aftereffect
%J Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta
%D 2006
%P 33-34
%V 37
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IIMI_2006_37_3_a14/
%G ru
%F IIMI_2006_37_3_a14