SIAM J. Discrete Math., 1, 1988, p. 425-433.
Dominique Foata and Doron Zeilberger
Laguerre polynomials, weighted derangements and positivity
Abstract.
A combinatorial study of Euler numbers and alternating
permutations with a detour to André permutations
and complexes.
foata@unistra.fr
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