@article{NUMA_1985__46_132999,
     author = {James L. Howland and R\'emi Vaillancourt},
     title = {Attractive {Cycles} in the {Iteration} of {Meromorphic} {Functions.}},
     journal = {Numerische Mathematik},
     pages = {323--338},
     publisher = {mathdoc},
     volume = {46},
     year = {1985},
     zbl = {0541.30016},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1985__46_132999/}
}