@article{Mari2012,
author = {Mari, A. and Eisert, Jens},
year = {2012},
language = {eng},
copyright = {http://publish.aps.org/authors/transfer-of-copyright-agreement},
title = {Positive Wigner Functions Render Classical Simulation of Quantum Computation
Efficient},
url = "http://dx.doi.org/10.17169/refubium-19254",
}