Geodesic
On the General Solution of the Functional Equation f(x + y - xy) + + f (xy)= f(x) + f (y) (Short Communication)
Aequationes mathematicae, Tome 6 (1971), p. 312 
Z. DARÓCZY. On the General Solution of the Functional Equation f(x + y - xy) + + f (xy)= f(x) + f (y) (Short Communication). Aequationes mathematicae, Tome 6 (1971), p. 312. http://geodesic.mathdoc.fr/item/AM2_1971__6_136206/
@article{AM2_1971__6_136206,
     author = {Z. DAR\'OCZY},
     title = {On the {General} {Solution} of the {Functional} {Equation} f(x + y - xy) + + f (xy)= f(x) + f (y) {(Short} {Communication)}},
     journal = {Aequationes mathematicae},
     pages = {312--312},
     year = {1971},
     volume = {6},
     url = {http://geodesic.mathdoc.fr/item/AM2_1971__6_136206/}
}
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SP  - 312
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%J Aequationes mathematicae
%D 1971
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%U http://geodesic.mathdoc.fr/item/AM2_1971__6_136206/
%F AM2_1971__6_136206

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