1. C.A. Athanasiadis, Gamma-positivity in combinatorics and geometry, preprint, 1. arxiv:1711.05983 [math.CO].
2. Actions on permutations and unimodality of descent polynomials;Brändén;European J. Combin.,2008
3. P. Brändén, Unimodality, log-concavity, real-rootedness and beyond, in: Handbook of Enumerative Combinatorics, CRC Press Book, 1. arXiv:1410.6601.
4. Derangement polynomials and excedances of type B;Chen;Electron. J. Combin.,2009
5. Fonctions symétriques et séries hypergéométriques basiques multivariées;Désarménien;Bull. Soc. Math. France,1985