Pencils of real symmetric matrices and the numerical range.
Marcus, Marvin
Aequationes mathematicae, Tome 18 (1978), p. 91-103 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1978-01-01
EUDML-ID : urn:eudml:doc:136724 
@article{GDZPPN002030896,
     title = {Pencils of real symmetric matrices and the numerical range.},
     journal = {Aequationes mathematicae},
     volume = {18},
     year = {1978},
     pages = {91-103},
     zbl = {0386.15010},
     url = {http://dml.mathdoc.fr/item/GDZPPN002030896}
}

Marcus, Marvin. Pencils of real symmetric matrices and the numerical range.. Aequationes mathematicae, Tome 18 (1978) pp. 91-103. http://gdmltest.u-ga.fr/item/GDZPPN002030896/