@article{CMUC_2004__45_2_a2,
     author = {Cs\"org\"o, Piroska and Kepka, Tom\'a\v{s}},
     title = {On loops whose inner permutations commute},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {213--221},
     publisher = {mathdoc},
     volume = {45},
     number = {2},
     year = {2004},
     mrnumber = {2075270},
     zbl = {1101.20034},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2004__45_2_a2/}
}