@article{AM2_1978__17_136732,
     author = {R. Goldstein},
     title = {On meromorphic solutions of certain functional equations. {(Short} {Communication).}},
     journal = {Aequationes mathematicae},
     pages = {116--118},
     publisher = {mathdoc},
     volume = {17},
     year = {1978},
     url = {http://geodesic.mathdoc.fr/item/AM2_1978__17_136732/}
}