Central European Journal of Mathematics > 2009 > 7 > 1 > 140-144
Source
Abstract
Identifiers
journal ISSN : | 1895-1074 |
journal e-ISSN : | 1644-3616 |
DOI | 10.2478/s11533-008-0064-2 |
Central European Journal of Mathematics > 2009 > 7 > 1 > 140-144
journal ISSN : | 1895-1074 |
journal e-ISSN : | 1644-3616 |
DOI | 10.2478/s11533-008-0064-2 |