The Counting Problem of an Order  N-group of Set

1． College of Mathematics and Information Science , Henan University , Kaifeng 475001, China； 2．Zhongyuan Vocational and Technical College ,Zhumadian 463000,China

Received:2003-03-01 Online:2003-09-30 Published:2024-04-10
About author:WANG Jing-zhou（1973－） male native of Zhumadian Henan an assistant of Henan University engages in discrete mathematics.

CLC Number:

WANG Jinghou, ZHANG Hai-mo. The Counting Problem of an Order N-group of Set[J]. Chinese Quarterly Journal of Mathematics, 2003, 18(3): 283-285.

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