@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/