Periodica Mathematica Hungarica > 2016 > 72 > 1 > 90-101
Source
Abstract
Identifiers
journal ISSN : | 0031-5303 |
journal e-ISSN : | 1588-2829 |
DOI | 10.1007/s10998-015-0083-2 |
Periodica Mathematica Hungarica > 2016 > 72 > 1 > 90-101
journal ISSN : | 0031-5303 |
journal e-ISSN : | 1588-2829 |
DOI | 10.1007/s10998-015-0083-2 |