Geodesic
On the spectrum of quadratic operators that are different from normal ones
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 11 (1989), pp. 24-30.

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@article{IVM_1989_11_a3,
     author = {M. A. Zaretskaya},
     title = {On the spectrum of quadratic operators that are different from normal ones},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {24--30},
     publisher = {mathdoc},
     number = {11},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1989_11_a3/}
}
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EP  - 30
IS  - 11
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%G ru
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M. A. Zaretskaya. On the spectrum of quadratic operators that are different from normal ones. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 11 (1989), pp. 24-30. http://geodesic.mathdoc.fr/item/IVM_1989_11_a3/