| 000 | a | ||
|---|---|---|---|
| 001 | 10490 | ||
| 011 | _a1863-9690 | ||
| 090 | _a10490 | ||
| 099 | _tSER | ||
| 100 | _a20180927 frey50 | ||
| 101 | _aeng | ||
| 102 | _aXD | ||
| 200 |
_aZDM Mathematics Education _eRecent Advances in mathematics textbook, research and devlopment _fEditor in chief : Gabriele Kaiser _gGuest Editors: Gert Schubring & Lianghuo Fan |
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| 207 | _aVolum 50 issue 5 - September 2018 | ||
| 210 |
_aHeidelberg _cSpringer _d2018 |
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| 215 |
_ap.766-963 _d27cm. |
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