@article{GDZPPN002027046, title = {Continuous Solutions of a Functional Equation of n-th Order}, journal = {Aequationes mathematicae}, volume = {9}, year = {1973}, pages = {257-259}, zbl = {0269.39005}, url = {http://dml.mathdoc.fr/item/GDZPPN002027046} }
BARON, KAROL. Continuous Solutions of a Functional Equation of n-th Order. Aequationes mathematicae, Tome 9 (1973) pp. 257-259. http://gdmltest.u-ga.fr/item/GDZPPN002027046/