TY - JOUR AU - Arsham Borumand Saeid TI - FuzzyQS-Algebras with Interval-Valued Membership Functions JO - Bulletin of the Malaysian Mathematical Society PY - 2006 VL - 29 IS - 2 UR - http://geodesic.mathdoc.fr/item/BMMS_2006_29_2_a6/ ID - BMMS_2006_29_2_a6 ER -