Physics Letters A > 2009 > 373 > 32 > 2887-2889
Source
Abstract
Identifiers
journal ISSN : | 0375-9601 |
DOI | 10.1016/j.physleta.2009.06.009 |
Physics Letters A > 2009 > 373 > 32 > 2887-2889
journal ISSN : | 0375-9601 |
DOI | 10.1016/j.physleta.2009.06.009 |