%0 Journal Article
%A Klarner, David A.
%T The Number of -Coloured Graphs
%J Canadian journal of mathematics
%D 1968
%P 1344-1352
%V 20
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1968-134-x/
%R 10.4153/CJM-1968-134-x
%F 10_4153_CJM_1968_134_x