W.Y.C. Chen and D. Xu,
Labeled partitions and the q-derangement numbers,
SIAM J. Discrete Math. 22(3) (2008) 1099-1104.
Cited by
W.Y.C. Chen and D. Xu,
Labeled partitions and the q-derangement numbers,
SIAM J. Discrete Math. 22(3) (2008) 1099-1104.
Cited by