@inproceedings{GaroufalidisKoutschan12,
 author = {Stavros Garoufalidis and Christoph Koutschan},
 title = {Twisting $q$-holonomic sequences by complex roots of unity},
 booktitle = {Proceedings of the International Symposium on Symbolic and Algebraic Computation (ISSAC)},
 pages = {179--186},
 year = {2012},
 publisher = {ACM},
 address = {New York, USA},
 isbn_issn = {ISBN 978-1-4503-1269},
 doi = {10.1145/2442829.2442857},
 url = {http://www.math.gatech.edu/~stavros/publications/twisting.qholonomic.data/},
}