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@article{AM2_1980__20_182394, author = {Pl. Kannappan}, title = {On some generalized functional equations in information theory.}, journal = {Aequationes mathematicae}, pages = {149--158}, publisher = {mathdoc}, volume = {20}, year = {1980}, zbl = {0439.39003}, url = {http://geodesic.mathdoc.fr/item/AM2_1980__20_182394/} }
Pl. Kannappan. On some generalized functional equations in information theory.. Aequationes mathematicae, Tome 20 (1980), pp. 149-158. http://geodesic.mathdoc.fr/item/AM2_1980__20_182394/