@article{EJDE_2004__2004__a4,
     author = {Poetzsche, Christian and Siegmund, Stefan},
     title = {A limit set trichotomy for order-preserving systems on time scales},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2004},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2004__2004__a4/}
}