Journal of Combinatorial Theory, Series B > 2009 > 99 > 4 > 685-689
Source
Abstract
Identifiers
journal ISSN : | 0095-8956 |
DOI | 10.1016/j.jctb.2008.12.003 |
Journal of Combinatorial Theory, Series B > 2009 > 99 > 4 > 685-689
journal ISSN : | 0095-8956 |
DOI | 10.1016/j.jctb.2008.12.003 |