@article{10_4064_ap_28_2_201_205,
     author = {Karol Baron},
     title = {On the continuous solutions of a non-linear functional equation of the first order},
     journal = {Annales Polonici Mathematici},
     pages = {201--205},
     publisher = {mathdoc},
     volume = {28},
     number = {2},
     year = {1973},
     doi = {10.4064/ap-28-2-201-205},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-28-2-201-205/}
}