@article{AM2_1978__17_136719,
     author = {P.D.T.A. Elliott},
     title = {On certain asymptotic functional equations.},
     journal = {Aequationes mathematicae},
     pages = {44--52},
     publisher = {mathdoc},
     volume = {17},
     year = {1978},
     zbl = {0379.10033},
     url = {http://geodesic.mathdoc.fr/item/AM2_1978__17_136719/}
}