%0 Journal Article %A Chajda, Ivan %T Varieties which are locally regular and permutable at 0 %J Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica %D 2001 %P 31-35 %V 40 %N 1 %U http://geodesic.mathdoc.fr/item/AUPO_2001_40_1_a3/ %G en %F AUPO_2001_40_1_a3