@article{MZ_1978__164_172782,
     author = {Erwin Mues},
     title = {\"Uber ein {Problem} von {Hayman.}},
     journal = {Mathematische Zeitschrift},
     pages = {239--260},
     publisher = {mathdoc},
     volume = {164},
     year = {1978},
     url = {http://geodesic.mathdoc.fr/item/MZ_1978__164_172782/}
}