European Journal of Combinatorics > 2008 > 29 > 5 > 1116-1122
Source
Abstract
Identifiers
journal ISSN : | 0195-6698 |
DOI | 10.1016/j.ejc.2007.07.001 |
European Journal of Combinatorics > 2008 > 29 > 5 > 1116-1122
journal ISSN : | 0195-6698 |
DOI | 10.1016/j.ejc.2007.07.001 |