@article{CMUC_2000_41_2_a3,
     author = {Dr\'apal, Ale\v{s}},
     title = {A-loops close to code loops are groups},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {245--249},
     year = {2000},
     volume = {41},
     number = {2},
     mrnumber = {1780868},
     zbl = {1038.20046},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2000_41_2_a3/}
}