@article{PIM_1979_N_S_25_39_a26,
     author = {Lee Sin-Min and Sein Aye},
     title = {On {Some} {Extreme} {Properties} {Of} {A} {Class} {Of} {Simple} {Groupoids}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {179 },
     publisher = {mathdoc},
     volume = {_N_S_25},
     number = {39},
     year = {1979},
     url = {http://geodesic.mathdoc.fr/item/PIM_1979_N_S_25_39_a26/}
}