%0 Journal Article %A J. Dudek %T On non-associative groupoids %J Colloquium Mathematicum %D 1976 %P 23-25 %V 36 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-36-1-23-25/ %R 10.4064/cm-36-1-23-25 %G fr %F 10_4064_cm_36_1_23_25