Vietnam Journal of Mathematics > 2018 > 46 > 1 > 169-175
Source
Abstract
Identifiers
journal ISSN : | 2305-221X |
journal e-ISSN : | 2305-2228 |
DOI | 10.1007/s10013-017-0266-7 |
Vietnam Journal of Mathematics > 2018 > 46 > 1 > 169-175
journal ISSN : | 2305-221X |
journal e-ISSN : | 2305-2228 |
DOI | 10.1007/s10013-017-0266-7 |