%0 Journal Article
%A Singaraj K. Ayyaswamy
%A Selvaraj Balachandran
%A Ivan Gutman
%T On second-stage spectrum and energy of a graph
%J Kragujevac Journal of Mathematics
%D 2010
%P 139 - 146
%V 34
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/KJM_2010_34_1_a11/
%F KJM_2010_34_1_a11