@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/}
}