@article{AM2_1973__9_136353,
     author = {KAROL BARON},
     title = {Continuous {Solutions} of a {Functional} {Equation} of n-th {Order}},
     journal = {Aequationes mathematicae},
     pages = {257--259},
     publisher = {mathdoc},
     volume = {9},
     year = {1973},
     zbl = {0269.39005},
     url = {http://geodesic.mathdoc.fr/item/AM2_1973__9_136353/}
}