Ahmia, Moussa, Belbachir, Hacène, Belkhir, Amine (2014) The log-concavity and log-convexity properties associated to hyperpell and hyperpell-lucas sequences Annales Mathematicae et Informaticae. 43 pp. 3-12. ISSN 1787-5021 (Print), 1787-6117 (Online)