TY - JOUR AU - K. Nasreen TI - Characterizations of non associative ordered semigroups by the properties of their fuzzy ideals with thresholds $(\alpha,\beta]$ JO - Prikladnaâ diskretnaâ matematika PY - 2019 SP - 37 EP - 59 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PDM_2019_1_a2/ LA - en ID - PDM_2019_1_a2 ER -