TY - JOUR AU - Balasubramanian, Ganesan TI - Fuzzy $\beta$-open sets and fuzzy $\beta$-separation axioms JO - Kybernetika PY - 1999 SP - [215] VL - 35 IS - 2 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/KYB_1999__35_2_a5/ LA - en ID - KYB_1999__35_2_a5 ER -