Doklady Mathematics > 2018 > 97 > 3 > 247-249
Source
Abstract
Identifiers
journal ISSN : | 1064-5624 |
journal e-ISSN : | 1531-8362 |
DOI | 10.1134/S1064562418030158 |
Doklady Mathematics > 2018 > 97 > 3 > 247-249
journal ISSN : | 1064-5624 |
journal e-ISSN : | 1531-8362 |
DOI | 10.1134/S1064562418030158 |