TY - JOUR AU - Chajda, Ivan TI - Varieties which are locally regular and permutable at 0 JO - Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica PY - 2001 SP - 31 EP - 35 VL - 40 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AUPO_2001__40_1_a3/ LA - en ID - AUPO_2001__40_1_a3 ER -