@article{10_4064_ap_8_2_201_207,
     author = {M. Kuczma},
     title = {General solution of a functional equation},
     journal = {Annales Polonici Mathematici},
     pages = {201--207},
     publisher = {mathdoc},
     volume = {8},
     number = {2},
     year = {1960},
     doi = {10.4064/ap-8-2-201-207},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-8-2-201-207/}
}