Physics Letters A > 2007 > 371 > 5-6 > 406-409
Source
Abstract
Identifiers
journal ISSN : | 0375-9601 |
DOI | 10.1016/j.physleta.2007.06.055 |
Physics Letters A > 2007 > 371 > 5-6 > 406-409
journal ISSN : | 0375-9601 |
DOI | 10.1016/j.physleta.2007.06.055 |