Letters in Mathematical Physics > 1997 > 42 > 3 > 229-239
Source
Abstract
Identifiers
journal ISSN : | 0377-9017 |
journal e-ISSN : | 1573-0530 |
DOI | 10.1023/A:1007396827804 |
Letters in Mathematical Physics > 1997 > 42 > 3 > 229-239
journal ISSN : | 0377-9017 |
journal e-ISSN : | 1573-0530 |
DOI | 10.1023/A:1007396827804 |