@article{GDZPPN002421372,
title = {Conservative Quadratic Forms.},
journal = {Mathematische Zeitschrift},
volume = {162},
year = {1978},
pages = {15-24},
zbl = {0371.15011},
url = {http://dml.mathdoc.fr/item/GDZPPN002421372}
}
Shapiro, Daniel B.; Gentile, Enzo R. Conservative Quadratic Forms.. Mathematische Zeitschrift, Tome 162 (1978) pp. 15-24. http://gdmltest.u-ga.fr/item/GDZPPN002421372/