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@article{AM2_1981__22_136859, author = {Gy. Maksa}, title = {The general solution of a functional equation related to the mixed theory of information.}, journal = {Aequationes mathematicae}, pages = {90--96}, publisher = {mathdoc}, volume = {22}, year = {1981}, zbl = {0462.39003}, url = {http://geodesic.mathdoc.fr/item/AM2_1981__22_136859/} }
Gy. Maksa. The general solution of a functional equation related to the mixed theory of information.. Aequationes mathematicae, Tome 22 (1981), pp. 90-96. http://geodesic.mathdoc.fr/item/AM2_1981__22_136859/