Mathematical Notes > 2019 > 105 > 5-6 > 881-887
Source
Abstract
Identifiers
journal ISSN : | 0001-4346 |
journal e-ISSN : | 1573-8876 |
DOI | 10.1134/S0001434619050250 |
Mathematical Notes > 2019 > 105 > 5-6 > 881-887
journal ISSN : | 0001-4346 |
journal e-ISSN : | 1573-8876 |
DOI | 10.1134/S0001434619050250 |