@article{GDZPPN002225158,
title = {Maximal invariant neutral subspaces and an application to the algebraic Riccati equation.},
journal = {Manuscripta mathematica},
volume = {43},
year = {1983},
pages = {1-12},
zbl = {0521.15017},
url = {http://dml.mathdoc.fr/item/GDZPPN002225158}
}
Rodman, Leiba. Maximal invariant neutral subspaces and an application to the algebraic Riccati equation.. Manuscripta mathematica, Tome 43 (1983) pp. 1-12. http://gdmltest.u-ga.fr/item/GDZPPN002225158/