@article{AFM_2003_28_2_a5,
     author = {Dierk Schleicher and Johannes Zimmer},
     title = {Periodic points and dynamic rays of exponential maps},
     journal = {Annales Fennici Mathematici},
     pages = {327--354},
     year = {2003},
     volume = {28},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_2003_28_2_a5/}
}