1.
図書 |
1. An indefinite excursion in operator theory : geometric and spectral treks in Kreĭn spaces (: pbk)
Aurelian Gheondea
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2.
図書 |
edited by A. Gheondea, R. N. Gologan, D. Timotion
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3.
図書 |
edited by A. Gheondea, D. Timotin, F.-H. Vasilescu
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