Original language | English (US) |
---|---|
Pages (from-to) | 415-418 |
Number of pages | 4 |
Journal | Forum Mathematicum |
Volume | 3 |
Issue number | 3 |
DOIs | |
State | Published - 1991 |
Externally published | Yes |
Bibliographical note
Funding Information:Partially supported by NSF grants DMS-8902621 and DMS-8957375