@article{GDZPPN002037300, title = {On a functional equation of Pexider type.}, journal = {Aequationes mathematicae}, volume = {36}, year = {1988}, pages = {1-19}, zbl = {0656.39004}, url = {http://dml.mathdoc.fr/item/GDZPPN002037300} }
Haruki, Hiroshi. On a functional equation of Pexider type.. Aequationes mathematicae, Tome 36 (1988) pp. 1-19. http://gdmltest.u-ga.fr/item/GDZPPN002037300/