| 000 | 00376 a2200145 4500 | ||
|---|---|---|---|
| 020 | _a3110020394 | ||
| 035 | _a | ||
| 090 |
_c14717 _d14717 |
||
| 100 | _aHelms, L. L | ||
| 245 |
_aEinfuhrung in die potentialtheorie _cL. L. Helms |
||
| 260 |
_aBerlin _bWalter de Gruyter _c1973 |
||
| 300 |
_a303 p _bfig _c24 cm |
||
| 500 | _aContine bibliogr. si index | ||
| 942 |
_aIMAR _cCART _sSN |
||
| 999 |
_c14477 _d14477 |
||