Lettera Matematica > 2014 > 2 > 1-2 > 9-11
Source
Abstract
Identifiers
journal ISSN : | 2281-6917 |
journal e-ISSN : | 2281-5937 |
DOI | 10.1007/s40329-014-0042-4 |
Lettera Matematica > 2014 > 2 > 1-2 > 9-11
journal ISSN : | 2281-6917 |
journal e-ISSN : | 2281-5937 |
DOI | 10.1007/s40329-014-0042-4 |