@article{PIM_1964_N_S_04_18_a14,
     author = {Marek Kuczma},
     title = {Sur {Une} {\'Equation} {Fonctionnelle} {Qui} {Caract\'erise} {La} {Fonction} f(x) = x-1},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {121 },
     publisher = {mathdoc},
     volume = {_N_S_04},
     number = {18},
     year = {1964},
     url = {http://geodesic.mathdoc.fr/item/PIM_1964_N_S_04_18_a14/}
}