Results in Mathematics > 1997 > 31 > 1-2 > 40-52
Source
Abstract
Identifiers
journal ISSN : | 1422-6383 |
journal e-ISSN : | 1420-9012 |
DOI | 10.1007/BF03322150 |
Results in Mathematics > 1997 > 31 > 1-2 > 40-52
journal ISSN : | 1422-6383 |
journal e-ISSN : | 1420-9012 |
DOI | 10.1007/BF03322150 |