@article{GDZPPN000365599,
title = {A Cone of Inhomogeneous Second-Order Polynomials.},
journal = {Discrete \& computational geometry},
volume = {7},
year = {1992},
pages = {387-416},
zbl = {0762.51007},
url = {http://dml.mathdoc.fr/item/GDZPPN000365599}
}
Malitz, S.M.; Malitz, J.I. A Cone of Inhomogeneous Second-Order Polynomials.. Discrete & computational geometry, Tome 7 (1992) pp. 387-416. http://gdmltest.u-ga.fr/item/GDZPPN000365599/