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[期刊论文] 作者：WANGJing-zhou,ZHANGHai-mo,
来源：数学季刊：英文版 年份：2003
In this paper, we discuss the counting problem of an order n-group of set (A1 ,A2 ,… ,An) which satisfies ∪^ni=1Ai={a,a2,…,am} and one of the following:(1)∩...
[期刊论文] 作者：LIUMai-xue,ZHANGHai-mo,
来源：数学季刊：英文版 年份：2003
The purpose of this note is to establish a general representation of Hankel matrices of Bell numbers and the convoluted Bell numbers. As a special ease, the res...
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