| 000 | 00321nam a2200097Ia 4500 | ||
|---|---|---|---|
| 008 | 240404s9999 xx 000 0 und d | ||
| 100 | _aBergman, George | ||
| 245 | 0 |
_aCogroups and Co-rings in Categories of Associative Rings _cGeorge Bergman |
|
| 260 |
_aProvidence _bAmerican Mathematical Society, _c1987 |
||
| 942 |
_aIMAR _cCART |
||
| 999 |
_c32687 _d32687 |
||