@article{GDZPPN001165666,
title = {Handbook Series Linear Algebra. Symmetrie Decomposition of a Positive Definite Matrix.},
journal = {Numerische Mathematik},
volume = {7},
year = {1965},
pages = {362-383},
zbl = {0135.37402},
url = {http://dml.mathdoc.fr/item/GDZPPN001165666}
}
WILKINSON, J.H.; MARTIN, R.S.; PETERS, G. Handbook Series Linear Algebra. Symmetrie Decomposition of a Positive Definite Matrix.. Numerische Mathematik, Tome 7 (1965) pp. 362-383. http://gdmltest.u-ga.fr/item/GDZPPN001165666/