| 000 | 00427nam a2200109Ia 4500 | ||
|---|---|---|---|
| 008 | 160615s9999||||xx |||||||||||||| ||und|| | ||
| 008 | 160616s 000 0 | ||
| 100 | _aUSSR, Academy of sciences | ||
| 245 | _aWorks of the international symposium on nonlinear oscillations, 2 vols. | ||
| 942 |
_cBK _2BK27942 |
||
| 080 | _a534.01 USSR | ||
| 999 |
_c27942 _d27942 |
||