@article{1102991595,
author = {Ballantine, C. S.},
title = {Products of positive definite matrices. II.},
journal = {Pacific J. Math.},
volume = {27},
number = {3},
year = {1968},
pages = { 7-17},
language = {en},
url = {http://dml.mathdoc.fr/item/1102991595}
}
Ballantine, C. S. Products of positive definite matrices. II.. Pacific J. Math., Tome 27 (1968) no. 3, pp. 7-17. http://gdmltest.u-ga.fr/item/1102991595/