@article{01295625,
title = {Structured Jordan canonical forms for structured matrices that are Hermitian, skew Hermitian or unitary with respect to indefinite inner products.},
journal = {ELA. The Electronic Journal of Linear Algebra [electronic only]},
volume = {6},
year = {1999},
pages = {67-103},
zbl = {0922.15002},
language = {en},
url = {http://dml.mathdoc.fr/item/01295625}
}
Mehrmann, Volker; Xu, Hongguo. Structured Jordan canonical forms for structured matrices that are Hermitian, skew Hermitian or unitary with respect to indefinite inner products.. ELA. The Electronic Journal of Linear Algebra [electronic only], Tome 6 (1999) pp. 67-103. http://gdmltest.u-ga.fr/item/01295625/