| 000 | 00431nam a2200145 a 4500 | ||
|---|---|---|---|
| 008 | 170703s1969#### ||||f#|||||00| 0#uuu#d | ||
| 003 | AR-SmCIES | ||
| 080 | _a03.65 (12) | ||
| 091 | _a22888 | ||
| 100 | 1 | _aMigdal, Adkadii Beinusovich | |
| 245 | 1 | 0 | _aApproximation methods in quamtum mechanics. |
| 260 |
_a[s.l.] : _b[s.n.], _c1969. |
||
| 999 |
_c21587 _d21587 |
||