@article{ChenKoutschan19,
 author = {Shaoshi Chen and Christoph Koutschan},
 title = {Proof of the {W}ilf--{Z}eilberger conjecture for mixed hypergeometric terms},
 journal = {Journal of Symbolic Computation},
 year = {2019},
 volume = {93},
 pages = {133--147},
 doi = {10.1016/j.jsc.2018.06.003},
 isbn_issn = {ISSN 0747-7171},
}