Acta Mathematica Sinica, English Series > 2011 > 27 > 5 > 807-812
Source
Abstract
Identifiers
journal ISSN : | 1439-8516 |
journal e-ISSN : | 1439-7617 |
DOI | 10.1007/s10114-011-0416-x |
Acta Mathematica Sinica, English Series > 2011 > 27 > 5 > 807-812
journal ISSN : | 1439-8516 |
journal e-ISSN : | 1439-7617 |
DOI | 10.1007/s10114-011-0416-x |