Focal power.
Hartwig, Robert E. ; Maroulas, John
ELA. The Electronic Journal of Linear Algebra [electronic only], Tome 14 (2005), p. 56-71 / Harvested from The Electronic Library of Mathematics
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Publié le : 2005-01-01
EUDML-ID : urn:eudml:doc:124829 
@article{02144327,
     title = {Focal power.},
     journal = {ELA. The Electronic Journal of Linear Algebra [electronic only]},
     volume = {14},
     year = {2005},
     pages = {56-71},
     zbl = {1066.15015},
     language = {en},
     url = {http://dml.mathdoc.fr/item/02144327}
}

Hartwig, Robert E.; Maroulas, John. Focal power.. ELA. The Electronic Journal of Linear Algebra [electronic only], Tome 14 (2005) pp. 56-71. http://gdmltest.u-ga.fr/item/02144327/