@article{ELA_1998__4__a1,
     author = {Hershkowitz, Daniel and Mashal, Nira},
     title = {$P^\alpha$-matrices and {Lyapunov} scalar stability},
     journal = {The electronic journal of linear algebra},
     pages = {39--47},
     publisher = {mathdoc},
     volume = {4},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_1998__4__a1/}
}