Lobachevskii Journal of Mathematics > 2019 > 40 > 8 > 1039-1044
Source
Abstract
Identifiers
journal ISSN : | 1995-0802 |
journal e-ISSN : | 1818-9962 |
DOI | 10.1134/S1995080219080067 |
Lobachevskii Journal of Mathematics > 2019 > 40 > 8 > 1039-1044
journal ISSN : | 1995-0802 |
journal e-ISSN : | 1818-9962 |
DOI | 10.1134/S1995080219080067 |