@article{ARM_2000__36_5_a24,
     author = {Ronto, Andrei},
     title = {A note on the periodicity in difference equations},
     journal = {Archivum mathematicum},
     pages = {575--584},
     publisher = {mathdoc},
     volume = {36},
     number = {5},
     year = {2000},
     mrnumber = {1822827},
     zbl = {1090.34582},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_2000__36_5_a24/}
}