Thomas Cluzeau Mark van Hoeij Computing Hypergeometric Solutions of Linear Recurrence Equations. 83-115 2006 17 Appl. Algebra Eng. Commun. Comput. 2 http://dx.doi.org/10.1007/s00200-005-0192-x db/journals/aaecc/aaecc17.html#CluzeauH06