Russian Mathematics > 2017 > 61 > 10 > 72-76
Source
Abstract
Identifiers
journal ISSN : | 1066-369X |
journal e-ISSN : | 1934-810X |
DOI | 10.3103/S1066369X17100103 |
Russian Mathematics > 2017 > 61 > 10 > 72-76
journal ISSN : | 1066-369X |
journal e-ISSN : | 1934-810X |
DOI | 10.3103/S1066369X17100103 |