| 000 | 00506 a2200157 4500 | ||
|---|---|---|---|
| 020 | _a0125316801 | ||
| 020 | _a9780125316804 | ||
| 082 | 0 | 4 | _a515.35 |
| 090 |
_c323 _d323 |
||
| 100 | 1 | _aOvsiannikov, L. | |
| 245 | 1 | 0 |
_aGroup analysis of differential equations / _cL. Ovsiannikov. |
| 260 |
_a[S.l.] : _bAcademic Pr, _c1978. |
||
| 300 | _a432 p. | ||
| 942 |
_aSNS _cBK _k515.35 OVS |
||
| 999 |
_c28958 _d28958 |
||