@article{Browne_1997,
    doi = {10.1016/s0304-3975(96)00228-9},
    url = {https://doi.org/10.1016%2Fs0304-3975%2896%2900228-9},
    year = {1997},
    month = {may},
    publisher = {Elsevier {BV}},
    volume = {178},
    number = {1-2},
    pages = {237--255},
    author = {A. Browne and E.M. Clarke and S. Jha and D.E. Long and W. Marrero},
    title = {An improved algorithm for the evaluation of fixpoint expressions},
    journal = {Theoretical Computer Science}
}

@article{Browne_1997, doi = {10.1016/s0304-3975(96)00228-9}, url = {https://doi.org/10.1016%2Fs0304-3975%2896%2900228-9}, year = {1997}, month = {may}, publisher = {Elsevier {BV}}, volume = {178}, number = {1-2}, pages = {237--255}, author = {A. Browne and E.M. Clarke and S. Jha and D.E. Long and W. Marrero}, title = {An improved algorithm for the evaluation of fixpoint expressions}, journal = {Theoretical Computer Science} }