@article{GDZPPN002026449, title = {On the Uniqueness of Solutions of the Functional Equation ... .}, journal = {Aequationes mathematicae}, volume = {8}, year = {1972}, pages = {229-232}, zbl = {0249.39004}, url = {http://dml.mathdoc.fr/item/GDZPPN002026449} }
Zdun, Marek. On the Uniqueness of Solutions of the Functional Equation ... .. Aequationes mathematicae, Tome 8 (1972) pp. 229-232. http://gdmltest.u-ga.fr/item/GDZPPN002026449/