Lobachevskii Journal of Mathematics > 2017 > 38 > 5 > 880-883
Source
Abstract
Identifiers
journal ISSN : | 1995-0802 |
journal e-ISSN : | 1818-9962 |
DOI | 10.1134/S1995080217050067 |
Lobachevskii Journal of Mathematics > 2017 > 38 > 5 > 880-883
journal ISSN : | 1995-0802 |
journal e-ISSN : | 1818-9962 |
DOI | 10.1134/S1995080217050067 |