@article{MV_1965_17_1_a8,
     author = {R. R. Jani\'c},
     title = {Sur un syst\`eme d'\'equations fonctionnelles},
     journal = {Matemati\v{c}ki vesnik},
     pages = {63 },
     year = {1965},
     volume = {17},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/MV_1965_17_1_a8/}
}