@article{chen2015JSC, author = {Chen, Shaoshi and Chyzak, Fr{\'e}d{\'e}ric and Feng, Ruyong and Fu, Guofeng and Li, Ziming}, title = {On the Existence of Telescopers for Mixed Hypergeometric Terms}, journal = {J. Symb. Comput.}, issue_date = {May 2015}, volume = {68}, number = {P1}, month = may, year = {2015}, issn = {0747-7171}, pages = {1--26}, numpages = {26}, url = {http://dx.doi.org/10.1016/j.jsc.2014.08.005}, doi = {10.1016/j.jsc.2014.08.005}, acmid = {2947584}, publisher = {Academic Press, Inc.}, address = {Duluth, MN, USA}, keywords = {Creative telescoping, Existence criteria, Zeilberger's algorithms}, }