%0 Journal Article %A Kolar-Begović, Zdenka %T A short direct characterization of GS-quasigroups %J Czechoslovak Mathematical Journal %D 2011 %P 3-6 %V 61 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1007/s10587-011-0013-2/ %R 10.1007/s10587-011-0013-2 %G en %F 10_1007_s10587_011_0013_2