%0 Journal Article %A Drápal, Aleš %T On a planar construction of quasigroups %J Czechoslovak Mathematical Journal %D 1991 %P 538-548 %V 41 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1991.102487/ %R 10.21136/CMJ.1991.102487 %G en %F 10_21136_CMJ_1991_102487