TY - JOUR AU - Chajda, Ivan AU - Kolařík, Miroslav AU - Radeleczki, Sándor TI - Commutative directoids with sectionally antitone bijections JO - Discussiones Mathematicae. General Algebra and Applications PY - 2008 SP - 77 EP - 89 VL - 28 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DMGAA_2008_28_1_a4/ LA - en ID - DMGAA_2008_28_1_a4 ER -