@article{Werschulz_1979,
    doi = {10.1007/bf02254863},
    url = {https://doi.org/10.1007%2Fbf02254863},
    year = {1979},
    month = {dec},
    publisher = {Springer Science and Business Media {LLC}},
    volume = {23},
    number = {4},
    pages = {345--355},
    author = {A. G. Werschulz},
    title = {Computational complexity of one-step methods for a scalar autonomous differential equation},
    journal = {Computing}
}

@article{Werschulz_1979, doi = {10.1007/bf02254863}, url = {https://doi.org/10.1007%2Fbf02254863}, year = {1979}, month = {dec}, publisher = {Springer Science and Business Media {LLC}}, volume = {23}, number = {4}, pages = {345--355}, author = {A. G. Werschulz}, title = {Computational complexity of one-step methods for a scalar autonomous differential equation}, journal = {Computing} }