@misc{cryptoeprint:2017:501,
    author = {Felix Günther and Sogol Mazaheri},
    title = {A Formal Treatment of Multi-key Channels},
    howpublished = {Cryptology ePrint Archive, Report 2017/501},
    year = {2017},
    url = {https://eprint.iacr.org/2017/501},
}