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@article{AM2_1982__24_136934, author = {S\'andor Veres}, title = {On a functional equation in connection with information theory.}, journal = {Aequationes mathematicae}, pages = {179--186}, publisher = {mathdoc}, volume = {24}, year = {1982}, zbl = {0513.39005}, url = {http://geodesic.mathdoc.fr/item/AM2_1982__24_136934/} }
Sándor Veres. On a functional equation in connection with information theory.. Aequationes mathematicae, Tome 24 (1982), pp. 179-186. http://geodesic.mathdoc.fr/item/AM2_1982__24_136934/