Semigroup Forum > 2010 > 80 > 2 > 242-254
Source
Abstract
Identifiers
journal ISSN : | 0037-1912 |
journal e-ISSN : | 1432-2137 |
DOI | 10.1007/s00233-009-9190-9 |
Semigroup Forum > 2010 > 80 > 2 > 242-254
journal ISSN : | 0037-1912 |
journal e-ISSN : | 1432-2137 |
DOI | 10.1007/s00233-009-9190-9 |