@article{01590797,
title = {On the stability of the quadratic mapping in normed spaces.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {25},
year = {2001},
pages = {217-229},
doi = {10.1155/S0161171201004707},
zbl = {0986.39015},
language = {en},
url = {http://dml.mathdoc.fr/item/01590797}
}
Kim, Gwang Hui. On the stability of the quadratic mapping in normed spaces.. International Journal of Mathematics and Mathematical Sciences, Tome 25 (2001) pp. 217-229. doi : 10.1155/S0161171201004707. http://gdmltest.u-ga.fr/item/01590797/