Bulletin of the Brazilian Mathematical Society, New Series > 2011 > 42 > 4 > 505-506
Source
Identifiers
journal ISSN : | 1678-7544 |
journal e-ISSN : | 1678-7714 |
DOI | 10.1007/s00574-011-0039-y |
Bulletin of the Brazilian Mathematical Society, New Series > 2011 > 42 > 4 > 505-506
journal ISSN : | 1678-7544 |
journal e-ISSN : | 1678-7714 |
DOI | 10.1007/s00574-011-0039-y |