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"The permutations with n non-fixed points and the subsets with ..."
Supakun Panasawatwong, Pimpen Vejjajiva (2023)
- Supakun Panasawatwong
, Pimpen Vejjajiva
:
The permutations with n non-fixed points and the subsets with n elements of a set. Math. Log. Q. 69(3): 341-346 (2023)

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