@article{AM2_1984__27_137026,
     author = {J. Dhombres},
     title = {Autour de f(x)f(y) - f(xy).},
     journal = {Aequationes mathematicae},
     pages = {231--235},
     publisher = {mathdoc},
     volume = {27},
     year = {1984},
     zbl = {0543.39002},
     url = {http://geodesic.mathdoc.fr/item/AM2_1984__27_137026/}
}