@article{ARM_2000__36_5_a23,
     author = {R\u{a}svan, Vladimir},
     title = {Stability zones for discrete time {Hamiltonian} systems},
     journal = {Archivum mathematicum},
     pages = {563--573},
     publisher = {mathdoc},
     volume = {36},
     number = {5},
     year = {2000},
     mrnumber = {1822826},
     zbl = {1090.39503},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_2000__36_5_a23/}
}