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@article{MET_1973__20_175574, author = {Gy. Muszely}, title = {On {Continuous} {Solutions} of a {Functional} {Inequality.}}, journal = {Metrika}, pages = {65--69}, publisher = {mathdoc}, volume = {20}, year = {1973}, zbl = {0252.26005}, url = {http://geodesic.mathdoc.fr/item/MET_1973__20_175574/} }
Gy. Muszely. On Continuous Solutions of a Functional Inequality.. Metrika, Tome 20 (1973), pp. 65-69. http://geodesic.mathdoc.fr/item/MET_1973__20_175574/