@article{GDZPPN002036576,
title = {Note on the degree of concavity of the determinant on sets of positive definite quadratic forms.},
journal = {Aequationes mathematicae},
volume = {33},
year = {1987},
pages = {57-61},
zbl = {0631.10018},
url = {http://dml.mathdoc.fr/item/GDZPPN002036576}
}
Rousseau, G. Note on the degree of concavity of the determinant on sets of positive definite quadratic forms.. Aequationes mathematicae, Tome 33 (1987) pp. 57-61. http://gdmltest.u-ga.fr/item/GDZPPN002036576/