%0 Journal Article %A Takashi Hamada %A Toshio Nonaka %A Izumi Yoshimura %T On the Connectivity of Total Graphs. %J Mathematische Annalen %D 1972 %P 30-38 %V 196 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1972__196_162240/ %F MAN_1972__196_162240