| 000 | 00551nam a2200217Ia 4500 | ||
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| 005 | 20220928151322.0 | ||
| 006 | a|||||r|||| 00| 0 | ||
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| 037 | _cTextual | ||
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| 082 | _aB313N, L3 | ||
| 100 |
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| 245 | 0 | _aSpectral theory of operators in Hilbert space. | |
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