%0 Journal Article %A Biggs, Norman %T Three Remarkable Graphs %J Canadian journal of mathematics %D 1973 %P 397-411 %V 25 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1973-040-1/ %R 10.4153/CJM-1973-040-1 %F 10_4153_CJM_1973_040_1