TY - JOUR AU - Harman, Blahoslav TI - Sum and product of the modified real fuzzy numbers JO - Kybernetika PY - 1992 SP - 37 EP - 40 VL - 28 IS - Suppl PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_1992__28_Suppl_a7/ LA - en ID - KYB_1992__28_Suppl_a7 ER -