Science China Mathematics > 2013 > 56 > 4 > 707-728
Source
Abstract
Identifiers
journal ISSN : | 1674-7283 |
journal e-ISSN : | 1869-1862 |
DOI | 10.1007/s11425-012-4459-y |
Science China Mathematics > 2013 > 56 > 4 > 707-728
journal ISSN : | 1674-7283 |
journal e-ISSN : | 1869-1862 |
DOI | 10.1007/s11425-012-4459-y |