@article{AUCMP_1976__17_2_a2,
     author = {Je\v{z}ek, J. and Kepka, Tom\'a\v{s}},
     title = {Free commutative idempotent abelian groupoids and quasigroups},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {13--19},
     publisher = {mathdoc},
     volume = {17},
     number = {2},
     year = {1976},
     mrnumber = {0422479},
     zbl = {0394.20058},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/AUCMP_1976__17_2_a2/}
}