Geodesic
On the spectra of finite-dimensional quadratic Bose operators
Matematičeskie zametki, Tome 61 (1997) no. 6, pp. 835-854.

Voir la notice de l'article provenant de la source Math-Net.Ru

A complete study of the spectrum of a finite-dimensional Bose operator is carried out in the paper. The cases in which the spectrum is discrete or continuous are studied. 
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V. V. Kucherenko; V. P. Maslov. On the spectra of finite-dimensional quadratic Bose operators. Matematičeskie zametki, Tome 61 (1997) no. 6, pp. 835-854. http://geodesic.mathdoc.fr/item/MZM_1997_61_6_a4/

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