Original language | English |
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Pages (from-to) | 606-624 |
Number of pages | 19 |
Journal | Journal of Algebra |
Volume | 219 |
Issue number | 2 |
DOIs | |
State | Published - 15 Sep 1999 |
Bibliographical note
Funding Information:* This research was supported by the Israel Science Foundation founded by the Israel Academy of Sciences and Humanities.