@article{MM2_1983__43_154941,
     author = {Leiba Rodman},
     title = {Maximal invariant neutral subspaces and an application to the algebraic {Riccati} equation.},
     journal = {Manuscripta mathematica},
     pages = {1--12},
     publisher = {mathdoc},
     volume = {43},
     year = {1983},
     zbl = {0521.15017},
     url = {http://geodesic.mathdoc.fr/item/MM2_1983__43_154941/}
}