Yongjae Cha, Mark van Hoeij. Liouvillian solutions of irreducible linear difference equations. In Jeremy Johnson, Hyungju Park, Erich Kaltofen, editors, Symbolic and Algebraic Computation, International Symposium, ISSAC 2009, Seoul, Republic of Korea, July 29-31, 2009, Proceedings. pages 87-94, ACM, 2009. [doi]
Abstract is missing.