%0 Journal Article %A David Burns %T Biregular edge-symmetric graphs %J Colloquium Mathematicum %D 1984 %P 137-140 %V 49 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-49-1-137-140/ %R 10.4064/cm-49-1-137-140 %G en %F 10_4064_cm_49_1_137_140