Mathematical Notes > 2018 > 103 > 5-6 > 856-858
Source
Identifiers
journal ISSN : | 0001-4346 |
journal e-ISSN : | 1573-8876 |
DOI | 10.1134/S0001434618050206 |
Mathematical Notes > 2018 > 103 > 5-6 > 856-858
journal ISSN : | 0001-4346 |
journal e-ISSN : | 1573-8876 |
DOI | 10.1134/S0001434618050206 |