@article{1103039887,
author = {Gaddum, Jerry W.},
title = {Linear inequalities and quadratic forms.},
journal = {Pacific J. Math.},
volume = {8},
number = {4},
year = {1958},
pages = { 411-414},
language = {en},
url = {http://dml.mathdoc.fr/item/1103039887}
}
Gaddum, Jerry W. Linear inequalities and quadratic forms.. Pacific J. Math., Tome 8 (1958) no. 4, pp. 411-414. http://gdmltest.u-ga.fr/item/1103039887/