Physics Letters A > 2007 > 368 > 3-4 > 238-244
Source
Abstract
Identifiers
journal ISSN : | 0375-9601 |
DOI | 10.1016/j.physleta.2007.04.011 |
Physics Letters A > 2007 > 368 > 3-4 > 238-244
journal ISSN : | 0375-9601 |
DOI | 10.1016/j.physleta.2007.04.011 |