%0 Journal Article %A Chartrand, Gary %A Stewart, M. James %T Total Digraphs %J Canadian mathematical bulletin %D 1966 %P 171-176 %V 9 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1966-021-x/ %R 10.4153/CMB-1966-021-x %F 10_4153_CMB_1966_021_x