@article{04175711, title = {Some properties of the functional equation }, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {14}, year = {1991}, pages = {27-44}, doi = {10.1155/S0161171291000030}, zbl = {0714.45007}, language = {en}, url = {http://dml.mathdoc.fr/item/04175711} }
Chambers, Ll.G. Some properties of the functional equation . International Journal of Mathematics and Mathematical Sciences, Tome 14 (1991) pp. 27-44. doi : 10.1155/S0161171291000030. http://gdmltest.u-ga.fr/item/04175711/