فهرست مقالات George Anastassiou مقاله 1 - Fuzzy Ordinary and Fractional General Sigmoid Function Activated Neural Network Approximation 10.30495/tfss.2023.1979163.1063 George Anastassiou Transactions on Fuzzy Sets and Systems , شماره 4 , سال 2 , پاییز-زمستان 2023