Results in Mathematics > 1997 > 31 > 3-4 > 386-393
Source
Abstract
Identifiers
journal ISSN : | 1422-6383 |
journal e-ISSN : | 1420-9012 |
DOI | 10.1007/BF03322172 |
Results in Mathematics > 1997 > 31 > 3-4 > 386-393
journal ISSN : | 1422-6383 |
journal e-ISSN : | 1420-9012 |
DOI | 10.1007/BF03322172 |