@inproceedings{chen2019ISSAC,
 author = {Chen, Shaoshi and Du, Lixin and Zhu, Chaochao},
 title = {Existence Problem of Telescopers for Rational Functions in Three Variables: The Mixed Cases},
 booktitle = {Proceedings of the 2019 on International Symposium on Symbolic and Algebraic Computation},
 series = {ISSAC '19},
 year = {2019},
 isbn = {978-1-4503-6084-5},
 location = {Beijing, China},
 pages = {82--89},
 numpages = {8},
 url = {http://doi.acm.org/10.1145/3326229.3326231},
 doi = {10.1145/3326229.3326231},
 acmid = {3326231},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {exactness, reduction, telescoper, zeilberger's algorithm},
}