Ukrainian Mathematical Journal > 2001 > 53 > 4 > 637-641
Source
Abstract
Identifiers
journal ISSN : | 0041-5995 |
journal e-ISSN : | 1573-9376 |
DOI | 10.1023/A:1012386923624 |
Ukrainian Mathematical Journal > 2001 > 53 > 4 > 637-641
journal ISSN : | 0041-5995 |
journal e-ISSN : | 1573-9376 |
DOI | 10.1023/A:1012386923624 |