TY - JOUR AU - Bek, Roman AU - Pokorný, Zdeněk AU - Růžička, Milan TI - Principal concepts of systems fuzzification. Fuzzification of systems for technical and medical practice. I JO - Kybernetika PY - 1982 SP - 234 EP - 246 VL - 18 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_1982__18_3_a4/ LA - en ID - KYB_1982__18_3_a4 ER -