@article{MV_1963_15_1-4_a0,
     author = {D. S. Mitrinovi\'c and S. B. Pre\v{s}i\'c and P. M. Vasi\'c},
     title = {Sur deux \'equations fonctionnelles cycliques non lin\'eaires},
     journal = {Matemati\v{c}ki vesnik},
     pages = {3 },
     publisher = {mathdoc},
     volume = {15},
     number = {1-4},
     year = {1963},
     url = {http://geodesic.mathdoc.fr/item/MV_1963_15_1-4_a0/}
}