Lobachevskii Journal of Mathematics > 2019 > 40 > 9 > 1417-1422
Source
Abstract
Identifiers
journal ISSN : | 1995-0802 |
journal e-ISSN : | 1818-9962 |
DOI | 10.1134/S1995080219090191 |
Lobachevskii Journal of Mathematics > 2019 > 40 > 9 > 1417-1422
journal ISSN : | 1995-0802 |
journal e-ISSN : | 1818-9962 |
DOI | 10.1134/S1995080219090191 |