@article{01225042,
title = {<title-group xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><article-title xml:lang="en"><math><msup><mi>P</mi><mi>$\alpha$</mi></msup></math>-matrices and Lyapunov scalar stability.</article-title></title-group>},
journal = {ELA. The Electronic Journal of Linear Algebra [electronic only]},
volume = {4},
year = {1998},
pages = {39-47},
zbl = {0912.15021},
language = {en},
url = {http://dml.mathdoc.fr/item/01225042}
}
Hershkowitz, Daniel; Mashal, Nira. -matrices and Lyapunov scalar stability.. ELA. The Electronic Journal of Linear Algebra [electronic only], Tome 4 (1998) pp. 39-47. http://gdmltest.u-ga.fr/item/01225042/