TY - JOUR AU - Kramosil, Ivan TI - Possible-worlds semantics for rule-based expert systems with set-valued weights JO - Kybernetika PY - 1989 SP - 65 EP - 71 VL - 25 IS - Suppl PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_1989__25_Suppl_a9/ LA - en ID - KYB_1989__25_Suppl_a9 ER -