| 000 | 00353 a2200145 4500 | ||
|---|---|---|---|
| 001 | 2071 | ||
| 090 | _a2071 | ||
| 100 | _a20170516 frey50 | ||
| 101 | _aeng | ||
| 102 | _aUS | ||
| 200 | _aunified modern mathematics | ||
| 210 |
_aColumbia _cTeachers college, Columbia university _d1972 |
||
| 215 |
_a397 p. _d21 cm |
||
| 606 | _aexercices math. | ||
| 099 | _tMON | ||
| 225 | _vcourse 6 | ||