@article{CMUC_1994_35_4_a0,
     author = {El Bashir, Robert and Dr\'apal, Ale\v{s}},
     title = {Quasitrivial left distributive groupoids},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {597--606},
     year = {1994},
     volume = {35},
     number = {4},
     mrnumber = {1321230},
     zbl = {0843.20051},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1994_35_4_a0/}
}