@article{
author = {Peter H{\o}yer and  Robert {\v S}palek},
title = {Quantum Fan-out is Powerful},
journal = {Theory of Computing},
year = {2005},
volume = {1},
number = {5},
pages = {81-103},
publisher = {Theory of Computing},
eprint = {toc:v001/a005},
URL = {http://www.theoryofcomputing.org/articles/main/v001/a005},
}