@article{GDZPPN002035251,
title = {A family of symmetric biadditive nonbilinear functions.},
journal = {Aequationes mathematicae},
volume = {28},
year = {1985},
pages = {14-18},
zbl = {0596.15026},
url = {http://dml.mathdoc.fr/item/GDZPPN002035251}
}
Heuvers, Konrad D. A family of symmetric biadditive nonbilinear functions.. Aequationes mathematicae, Tome 28 (1985) pp. 14-18. http://gdmltest.u-ga.fr/item/GDZPPN002035251/