Acta Mathematica Sinica, English Series > 2016 > 32 > 4 > 406-410
Source
Abstract
Identifiers
journal ISSN : | 1439-8516 |
journal e-ISSN : | 1439-7617 |
DOI | 10.1007/s10114-016-4652-y |
Acta Mathematica Sinica, English Series > 2016 > 32 > 4 > 406-410
journal ISSN : | 1439-8516 |
journal e-ISSN : | 1439-7617 |
DOI | 10.1007/s10114-016-4652-y |