@article{1102993828, author = {Baumert, L. D.}, title = {Extreme copositive quadratic forms.}, journal = {Pacific J. Math.}, volume = {19}, number = {3}, year = {1966}, pages = { 197-204}, language = {en}, url = {http://dml.mathdoc.fr/item/1102993828} }
Baumert, L. D. Extreme copositive quadratic forms.. Pacific J. Math., Tome 19 (1966) no. 3, pp. 197-204. http://gdmltest.u-ga.fr/item/1102993828/