TY - JOUR AU - Novák, Vilém TI - On the Hilbert-Ackermann theorem in fuzzy logic JO - Communications in Mathematics PY - 1996 SP - 57 EP - 74 VL - 4 IS - 1 UR - http://geodesic.mathdoc.fr/item/COMIM_1996_4_1_a5/ LA - en ID - COMIM_1996_4_1_a5 ER -