%0 Journal Article
%A Abdullah, Habeeb Kareem 
%A Haydar, Amal Khalaf 
%A Obead, Kawther Reyadh 
%T Characteristic roots of a second order retarded functional differential equation via spectral-tau method 
%J Journal of nonlinear sciences and its applications
%D 2020
%P 147-153
%V 13
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.22436/jnsa.013.03.03/
%R 10.22436/jnsa.013.03.03
%G en
%F JNSA_2020_13_3_a2