On a class of positive semidefinite biquadratic forms. (Sur une classe de formes biquadratiques semi-définies positives.)
El Kadiri, Mohamed
ELA. The Electronic Journal of Linear Algebra [electronic only], Tome 22 (2011), p. 513-520 / Harvested from The Electronic Library of Mathematics
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Publié le : 2011-01-01
EUDML-ID : urn:eudml:doc:230993 
@article{05947040,
     title = {On a class of positive semidefinite biquadratic forms. (Sur une classe de formes biquadratiques semi-d\'efinies positives.)},
     journal = {ELA. The Electronic Journal of Linear Algebra [electronic only]},
     volume = {22},
     year = {2011},
     pages = {513-520},
     zbl = {1221.11099},
     language = {en},
     url = {http://dml.mathdoc.fr/item/05947040}
}

El Kadiri, Mohamed. On a class of positive semidefinite biquadratic forms. (Sur une classe de formes biquadratiques semi-définies positives.). ELA. The Electronic Journal of Linear Algebra [electronic only], Tome 22 (2011) pp. 513-520. http://gdmltest.u-ga.fr/item/05947040/