@article{GDZPPN001164880,
title = {Inclusion Theorems for Eigenvalues from Probability Inequalities.},
journal = {Numerische Mathematik},
volume = {6},
year = {1964},
pages = {98-102},
zbl = {0131.24903},
url = {http://dml.mathdoc.fr/item/GDZPPN001164880}
}
MARSHALL, A.W.; OLKIN, I. Inclusion Theorems for Eigenvalues from Probability Inequalities.. Numerische Mathematik, Tome 6 (1964) pp. 98-102. http://gdmltest.u-ga.fr/item/GDZPPN001164880/