Citations of

The skew, relative and classical derangements, Discrete Math., 160 (1996), 235–239.

  1. R. J. Clarke, G. N. Han and J. Zeng, A combinatorial interpretation of the Seidel generation of q-derangement numbers, Ann. Combin., 1 (1997) 313-327.

  2. Y. Sun? and Y. Xu,The largest singletons in weighted set partitions and its applications,arxiv:math.Co/10071336.

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