@article{WeiMN10,
    author    = "Tzu-Chieh Wei and Michele Mosca and Ashwin Nayak",
    title     = "Interacting Boson Problems can be {QMA}-hard",
    journal   = "Physical Review Letters",
    volume    = "104",
    number    = "040501",
    year      = "2010",
    quant-ph  = "arXiv:0905.3413v1",
    note      = "",
}