VAN AN, LY. 2022. “GENERALIZED HYERS-ULAM -RASSISA STABILITY OF AN ADDITIVE β1, β2 -FUNCTIONAL INEQUALITIES WITH THREE VARIABLES IN COMPLEX BANACH SPACE”. IJRDO -JOURNAL OF MATHEMATICS 8 (9), 1-14. https://doi.org/10.53555/m.v8i9.5269.