@article{AUCMP_2004__45_1_a7,
     author = {Kepka, T. and Rosendorf, D.},
     title = {Quasigroups which are unions of three proper subquasigroups},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {55--66},
     publisher = {mathdoc},
     volume = {45},
     number = {1},
     year = {2004},
     mrnumber = {2109694},
     zbl = {1076.20063},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/AUCMP_2004__45_1_a7/}
}