@article{ELMA_1992__47_3_141536,
     author = {Urs Kirchgraber},
     title = {Chaotisches {Verhalten} in einfachen {Systemen.}},
     journal = {Elemente der Mathematik},
     pages = {137--157},
     year = {1992},
     volume = {47},
     number = {3},
     zbl = {0787.58035},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1992__47_3_141536/}
}