Bulletin of the Polish Academy of Sciences. Mathematics > 2014 > 62 > 2 > 161-179
Source
Abstract
Identifiers
journal ISSN : | 0239-7269 |
DOI | 10.4064/ba62-2-5 |
Bulletin of the Polish Academy of Sciences. Mathematics > 2014 > 62 > 2 > 161-179
journal ISSN : | 0239-7269 |
DOI | 10.4064/ba62-2-5 |