%0 Journal Article %A Brown, William G. %T On the Non-Existence of a Type of Regular Graphs of Girth 5 %J Canadian journal of mathematics %D 1967 %P 644-648 %V 19 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-058-3/ %R 10.4153/CJM-1967-058-3 %F 10_4153_CJM_1967_058_3