| 000 | 00391nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 190601s9999 xx 000 0 und d | ||
| 020 | _a_ | ||
| 082 |
_a515.392 _bREL |
||
| 100 | _aRellich, Franz | ||
| 245 | 0 | _aPerturbation theory of eigenvalue problems | |
| 260 |
_aNew York _bGordon and Breach Science Pub. _c1969 |
||
| 300 | _aix, 127 p. | ||
| 650 | _aPerturbation theory | ||
| 942 | _cS | ||
| 999 |
_c120415 _d120414 |
||