Moscow University Mathematics Bulletin > 2015 > 70 > 2 > 84-87
Source
Abstract
Identifiers
journal ISSN : | 0027-1322 |
journal e-ISSN : | 1934-8444 |
DOI | 10.3103/S0027132215020060 |
Moscow University Mathematics Bulletin > 2015 > 70 > 2 > 84-87
journal ISSN : | 0027-1322 |
journal e-ISSN : | 1934-8444 |
DOI | 10.3103/S0027132215020060 |