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"On Ulam Stability of Functional Equations in 2-Normed Spaces - A Survey II."
El-Sayed El-Hady, Janusz Brzdek (2022)
- El-Sayed El-Hady, Janusz Brzdek:
On Ulam Stability of Functional Equations in 2-Normed Spaces - A Survey II. Symmetry 14(7): 1365 (2022)
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