@article{Dolev_1982,
    doi = {10.1016/s0019-9958(82)90401-6},
    url = {https://doi.org/10.1016%2Fs0019-9958%2882%2990401-6},
    year = {1982},
    month = {oct},
    publisher = {Elsevier {BV}},
    volume = {55},
    number = {1-3},
    pages = {57--68},
    author = {D. Dolev and S. Even and R.M. Karp},
    title = {On the security of ping-pong protocols},
    journal = {Information and Control}
}

@article{Dolev_1982, doi = {10.1016/s0019-9958(82)90401-6}, url = {https://doi.org/10.1016%2Fs0019-9958%2882%2990401-6}, year = {1982}, month = {oct}, publisher = {Elsevier {BV}}, volume = {55}, number = {1-3}, pages = {57--68}, author = {D. Dolev and S. Even and R.M. Karp}, title = {On the security of ping-pong protocols}, journal = {Information and Control} }