| Original language | English (US) |
|---|---|
| Pages (from-to) | 203-210 |
| Number of pages | 8 |
| Journal | Journal of the London Mathematical Society |
| Volume | S2-28 |
| Issue number | 2 |
| DOIs | |
| State | Published - Oct 1983 |
Bibliographical note
Funding Information:The first author received partial support from the NSF Grant MCS 78-01525. The second author received partial support from the NSF Grants MCS 78-01525 and 81-02700.