%0 Journal Article
%A Tian, Yongge
%A Styan, George P. H.
%T A new rank formula for idempotent matrices with applications
%J Commentationes Mathematicae Universitatis Carolinae
%D 2002
%P 379-384
%V 43
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_2002__43_2_a14/
%G en
%F CMUC_2002__43_2_a14