%0 Journal Article %A Kepka, T. %A Rosendorf, D. %T Quasigroups which are unions of three proper subquasigroups %J Acta Universitatis Carolinae. Mathematica et Physica %D 2004 %P 55-66 %V 45 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/AUCMP_2004__45_1_a7/ %G en %F AUCMP_2004__45_1_a7