Electronic Notes in Discrete Mathematics > 2007 > 28 > Complete > 445-451
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ISSN czasopisma : | 1571-0653 |
DOI | 10.1016/j.endm.2007.01.062 |
Electronic Notes in Discrete Mathematics > 2007 > 28 > Complete > 445-451
ISSN czasopisma : | 1571-0653 |
DOI | 10.1016/j.endm.2007.01.062 |