@article{10_4064_cm_36_1_23_25,
     author = {J. Dudek},
     title = {On non-associative groupoids},
     journal = {Colloquium Mathematicum},
     pages = {23--25},
     year = {1976},
     volume = {36},
     number = {1},
     doi = {10.4064/cm-36-1-23-25},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-36-1-23-25/}
}