@article{05279990,
title = {Equivalence and congruence of matrices under the action of standard parabolic subgroups.},
journal = {ELA. The Electronic Journal of Linear Algebra [electronic only]},
volume = {16},
year = {2007},
pages = {325-333},
zbl = {1154.15016},
language = {en},
url = {http://dml.mathdoc.fr/item/05279990}
}
Szechtman, Fernando. Equivalence and congruence of matrices under the action of standard parabolic subgroups.. ELA. The Electronic Journal of Linear Algebra [electronic only], Tome 16 (2007) pp. 325-333. http://gdmltest.u-ga.fr/item/05279990/