Shaoshi Chen, Lixin Du, Chaochao Zhu. Existence Problem of Telescopers for Rational Functions in Three Variables: the Mixed Cases. In James H. Davenport, Dongming Wang, Manuel Kauers, Russell Bradford, editors, Proceedings of the 2019 on International Symposium on Symbolic and Algebraic Computation, ISSAC 2019, Beijing, China, July 15-18, 2019. pages 82-89, ACM, 2019. [doi]
Abstract is missing.