@article{10_4153_CJM_1967_058_3,
     author = {Brown, William G.},
     title = {On the {Non-Existence} of a {Type} of {Regular} {Graphs} of {Girth} 5},
     journal = {Canadian journal of mathematics},
     pages = {644--648},
     year = {1967},
     volume = {19},
     number = {1},
     doi = {10.4153/CJM-1967-058-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-058-3/}
}