@article{AM2_1971__6_136188,
     author = {PL. KANNAPPAN and SOICHI HORINOUCHI},
     title = {On the {System} of {Functional} {Equations} f(x +y) = f(x) + f (y) and f(xy)=p(x)f(y)},
     journal = {Aequationes mathematicae},
     pages = {195--201},
     publisher = {mathdoc},
     volume = {6},
     year = {1971},
     zbl = {0224.39009},
     url = {http://geodesic.mathdoc.fr/item/AM2_1971__6_136188/}
}