@article{1102992963,
author = {Baumert, L. D.},
title = {Extreme copositive quadratic forms. II.},
journal = {Pacific J. Math.},
volume = {23},
number = {3},
year = {1967},
pages = { 1-20},
language = {en},
url = {http://dml.mathdoc.fr/item/1102992963}
}
Baumert, L. D. Extreme copositive quadratic forms. II.. Pacific J. Math., Tome 23 (1967) no. 3, pp. 1-20. http://gdmltest.u-ga.fr/item/1102992963/