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1 J. Baker, "The stability of the equation f(x+y) = f(x)f(y)" 74 (74): 242-246, 1979
2 V. A. Faˇiziev, "The space of (ψ,ϒ)-additive mappings on semigroups" 354 (354): 4455-4472, 2002
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4 T. Aoki, "On the stability of the linear transformation in Banach spaces" 2 : 64-66, 1950
5 Th. M. Rassias, "On the stability of the linear mapping in Banach spaces" 72 (72): 297-300, 1978
6 C.-G. Park, "On the stability of the linear mapping in Banach modules" 275 (275): 711-720, 2002
7 S.-M. Jung, "On the stability of the linear functional equation in a single variable on complete metric groups" 59 (59): 165-171, 2014
8 D. H. Hyers, "On the stability of the linear functional equation" 27 : 222-224, 1941
9 D. H. Hyers, "On the stability of differential expressions" 28 : 59-64, 1954
10 O. Hatori, "On the best constant of Hyers-Ulam stability" 5 (5): 387-393, 2004
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