On the System of Functional Equations f(x +y) = f(x) + f (y) and f(xy)=p(x)f(y)
PL. KANNAPPAN, SOICHI HORINOUCHI (1971)
Aequationes mathematicae
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On the System of Functional Equations f(x +y) = f(x) + f (y) and f(xy)=p(x)f(y)
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