| 000 | 00359pam a2200145a 44500 | ||
|---|---|---|---|
| 008 | 170807b1990 xxu||||| |||| 00| 0 eng d | ||
| 082 | _a338.9/Zha | ||
| 100 | _aZhang, WB | ||
| 245 | _aLecture Notes In Economics And Mathematical Systems Vol 350 | ||
| 260 |
_a _bSpringer-Verlag _c1990 |
||
| 906 | _a14263 | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c14368 _d14368 |
||