Acta Mathematica Sinica, English Series > 2006 > 22 > 1 > 279-282
Source
Abstract
Identifiers
journal ISSN : | 1439-8516 |
journal e-ISSN : | 1439-7617 |
DOI | 10.1007/s10114-005-0636-z |
Acta Mathematica Sinica, English Series > 2006 > 22 > 1 > 279-282
journal ISSN : | 1439-8516 |
journal e-ISSN : | 1439-7617 |
DOI | 10.1007/s10114-005-0636-z |