%0 Journal Article %A Ježek, Jaroslav %A Kepka, Tomáš %T Varieties of groupoids determined by short linear identities %J Czechoslovak Mathematical Journal %D 1989 %P 644-658 %V 39 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1989.102341/ %R 10.21136/CMJ.1989.102341 %G en %F 10_21136_CMJ_1989_102341