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Journal: Symmetry, 2022
Volume: 14
Number: 1365
Article:
On Ulam Stability of Functional Equations in 2-Normed Spaces—A Survey II
Authors:
by
El-sayed El-hady and Janusz Brzdęk
Link:
https://www.mdpi.com/2073-8994/14/7/1365
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