@inproceedings{AroRabVaz-STOC-94,
title = {Simulating quadratic dynamical systems is PSPACE-complete},
author = {Sanjeev Arora and Yuval Rabani and Umesh Vazirani},
booktitle = {Proc. 26th Symp. Theory of Computing},
publisher = {ACM},
pages = {459--467},
month = {May},
year = {1994}}