On the uniqueness of solutions of the functional equation<Emphasis Type="Italic">ϕ(x+f(x))=ϕ(x)+ϕ(f(x))</Emphasis>

October 1972, Volume 8, Issue 3, pp 229–232 | Cite as

On the uniqueness of solutions of the functional equationϕ(x+f(x))=ϕ(x)+ϕ(f(x))

Research Papers

Received: 27 March 1971

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