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| 999 |
_c195779 _d195779 |
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| 003 | LDD | ||
| 005 | 20201005121443.0 | ||
| 008 | 201005b ||||| |||| 00| 0 eng d | ||
| 040 | _aLDD | ||
| 245 | _aMathematics Magazine | ||
| 260 |
_aUnited States _bMathematical Association of America _c2017 |
||
| 300 | _a90(1-3) | ||
| 310 | _a5 times a year | ||
| 942 |
_2ddc _cJ |
||