@article{GDZPPN002026058,
title = {The Eigenvalues and Singular Values of Matrix Sums and Product, VIII: Displacement of Indices},
journal = {Aequationes mathematicae},
volume = {7},
year = {1971},
pages = {219-242},
zbl = {0233.15017},
url = {http://dml.mathdoc.fr/item/GDZPPN002026058}
}
THOMPSON, R.C.; THERIANOS, S. The Eigenvalues and Singular Values of Matrix Sums and Product, VIII: Displacement of Indices. Aequationes mathematicae, Tome 7 (1971) pp. 219-242. http://gdmltest.u-ga.fr/item/GDZPPN002026058/