@article{Seidl_1996,
    doi = {10.1016/0020-0190(96)00130-5},
    url = {https://doi.org/10.1016%2F0020-0190%2896%2900130-5},
    year = {1996},
    month = {sep},
    publisher = {Elsevier {BV}},
    volume = {59},
    number = {6},
    pages = {303--308},
    author = {Helmut Seidl},
    title = {Fast and simple nested fixpoints},
    journal = {Information Processing Letters}
}

@article{Seidl_1996, doi = {10.1016/0020-0190(96)00130-5}, url = {https://doi.org/10.1016%2F0020-0190%2896%2900130-5}, year = {1996}, month = {sep}, publisher = {Elsevier {BV}}, volume = {59}, number = {6}, pages = {303--308}, author = {Helmut Seidl}, title = {Fast and simple nested fixpoints}, journal = {Information Processing Letters} }