TY - JOUR AU - Kramosil, Ivan TI - From an alternative model of rough sets to fuzzy sets JO - Kybernetika PY - 1992 SP - 12 EP - 16 VL - 28 IS - Suppl PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_1992__28_Suppl_a1/ LA - en ID - KYB_1992__28_Suppl_a1 ER -