| 000 | 00369 a2200133 4500 | ||
|---|---|---|---|
| 035 | _a | ||
| 090 |
_c24056 _d24056 |
||
| 100 | _aNakamura, Yoshihro | ||
| 245 |
_aPerfectness of certain subsemigroups of the perfect semigroip _cYoshihro Nakamura |
||
| 260 |
_aHokkaido _bHokkaido University _c1989 |
||
| 300 |
_a8 p _c27 cm |
||
| 440 |
_aReport _n2 |
||
| 942 |
_aIMAR _cCART _sSN |
||
| 999 |
_c23768 _d23768 |
||