| 000 | 003860000a22001210004500 | ||
|---|---|---|---|
| 005 | 20251028083328.0 | ||
| 008 | 211102s9999 xx 000 0 und d | ||
| 082 |
_a510 _bPOL |
||
| 100 | _aOpolya, George. | ||
| 245 | 0 |
_aMathematical discorvery : _bon understanding, learning, and teaching problem solving / _cOpolya, George. |
|
| 260 |
_aUSA _bJohn wiley & sons _c1967 |
||
| 650 | _aMethametics | ||
| 999 |
_c32128 _d32128 |
||