| 000 | 00398 a2200145 4500 | ||
|---|---|---|---|
| 020 | _a3540900764 | ||
| 035 | _a | ||
| 090 |
_c14123 _d14123 |
||
| 100 | _aFriedrichs, K. O | ||
| 245 |
_aSpectral theory of operators in Hilbert space _cK. O. Friedrichs |
||
| 260 |
_aNew York _bSpringer-Verlag _c1973 |
||
| 300 |
_aVIII, 242 p _c20 cm |
||
| 500 | _aContine bibliogr. si index | ||
| 942 |
_aIMAR _cCART _sSN |
||
| 999 |
_c13886 _d13886 |
||