@article{GDZPPN00204059X, title = {One-parameter system of functional equations.}, journal = {Aequationes mathematicae}, volume = {47}, year = {1994}, pages = {50-59}, zbl = {0828.39015}, url = {http://dml.mathdoc.fr/item/GDZPPN00204059X} }
Paganoni Marzegalli, Stefania. One-parameter system of functional equations.. Aequationes mathematicae, Tome 47 (1994) pp. 50-59. http://gdmltest.u-ga.fr/item/GDZPPN00204059X/