%0 Journal Article
%A Chao, Chong-Yun
%T Some applications of a theorem of Schur to graphs and to a class of endomorphisms
%J Portugaliae mathematica
%D 1967
%P 505-523
%V 26
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PORMA_1967__26_4_115054/
%G en
%F PORMA_1967__26_4_115054