@article{Beck_1987,
    doi = {10.1016/0167-2789(87)90100-x},
    url = {https://doi.org/10.1016%2F0167-2789%2887%2990100-x},
    year = {1987},
    month = {mar},
    publisher = {Elsevier {BV}},
    volume = {25},
    number = {1-3},
    pages = {173--180},
    author = {C. Beck and G. Roepstorff},
    title = {Effects of phase space discretization on the long-time behavior of dynamical systems},
    journal = {Physica D: Nonlinear Phenomena}
}

@article{Beck_1987, doi = {10.1016/0167-2789(87)90100-x}, url = {https://doi.org/10.1016%2F0167-2789%2887%2990100-x}, year = {1987}, month = {mar}, publisher = {Elsevier {BV}}, volume = {25}, number = {1-3}, pages = {173--180}, author = {C. Beck and G. Roepstorff}, title = {Effects of phase space discretization on the long-time behavior of dynamical systems}, journal = {Physica D: Nonlinear Phenomena} }