%0 Journal Article %A Wright, E. M. %T Asymmetric and symmetric graphs %J Glasgow mathematical journal %D 1974 %P 69-73 %V 15 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500002159/ %R 10.1017/S0017089500002159 %F 10_1017_S0017089500002159