@article{FRIEDMANYaakov:1988-12-00,
author="FRIEDMAN, Yaakov and HAKEDA, Josuke",
title="Additivity of Quadratic Maps",
journal="Publications of the Research Institute for Mathematical Sciences",
ISSN="00345318",
publisher="Kyoto University",
year="1988",
month="dec",
volume="",
number="",
pages="707-722",
URL="http://ci.nii.ac.jp/naid/110004670056/en/",
DOI="",
}