TY - JOUR AU - Riečanová, Zdenka TI - Archimedean atomic lattice effect algebras in which all sharp elements are central JO - Kybernetika PY - 2006 SP - 143 EP - 150 VL - 42 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_2006__42_2_a1/ LA - en ID - KYB_2006__42_2_a1 ER -