Leslie G. Valiant
Quantum computers that can be simulated classically in polynomial time
STOC, 2001.
@inproceedings{STOC-2001-Valiant, author = "Leslie G. Valiant", booktitle = "{Proceedings of the 33rd Annual ACM Symposium on Theory of Computing}", doi = "10.1145/380752.380785", isbn = "1-58113-349-9", pages = "114--123", publisher = "{ACM}", title = "{Quantum computers that can be simulated classically in polynomial time}", year = 2001, }