@article{PIM_1968_N_S_08_22_a18,
     author = {P. M. Vasi\'c and R. R. Jani\'c},
     title = {Sur {Une} {Equation} {Fonctionnelle} {De} {k-Ti\`eme} {Ordre}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {124 },
     publisher = {mathdoc},
     volume = {_N_S_08},
     number = {22},
     year = {1968},
     url = {http://geodesic.mathdoc.fr/item/PIM_1968_N_S_08_22_a18/}
}