Science China Mathematics > 2019 > 62 > 9 > 1799-1806
Source
Abstract
Identifiers
journal ISSN : | 1674-7283 |
journal e-ISSN : | 1869-1862 |
DOI | 10.1007/s11425-017-9233-1 |
Science China Mathematics > 2019 > 62 > 9 > 1799-1806
journal ISSN : | 1674-7283 |
journal e-ISSN : | 1869-1862 |
DOI | 10.1007/s11425-017-9233-1 |