Science China Mathematics > 2014 > 57 > 8 > 1639-1648
Source
Abstract
Identifiers
journal ISSN : | 1674-7283 |
journal e-ISSN : | 1869-1862 |
DOI | 10.1007/s11425-014-4797-z |
Science China Mathematics > 2014 > 57 > 8 > 1639-1648
journal ISSN : | 1674-7283 |
journal e-ISSN : | 1869-1862 |
DOI | 10.1007/s11425-014-4797-z |