Séminaire Lotharingien de Combinatoire, B19d (1988).
[Formerly: Publ. I.R.M.A. Strasbourg, 1988, 361/S-19, p. .]

Jiang Zeng

Un modèle symétrique pour l'identité de Al-Salam-Fields

Abstract. W. A. AL-SALAM and J. L. FIELDS have proposed a symmetric extension of the classical Pfaff-Saalschütz formula. Following the technique developed by D. FOATA we give a symmetric combinatorial model to prove that extension.


The paper has been finally published under the same title in Discrete Math. 85 (1990), 207-213.