@article{Kozen_1994,
    doi = {10.1006/inco.1994.1037},
    url = {https://doi.org/10.1006%2Finco.1994.1037},
    year = {1994},
    month = {may},
    publisher = {Elsevier {BV}},
    volume = {110},
    number = {2},
    pages = {366--390},
    author = {D. Kozen},
    title = {A Completeness Theorem for Kleene Algebras and the Algebra of Regular Events},
    journal = {Information and Computation}
}

@article{Kozen_1994, doi = {10.1006/inco.1994.1037}, url = {https://doi.org/10.1006%2Finco.1994.1037}, year = {1994}, month = {may}, publisher = {Elsevier {BV}}, volume = {110}, number = {2}, pages = {366--390}, author = {D. Kozen}, title = {A Completeness Theorem for Kleene Algebras and the Algebra of Regular Events}, journal = {Information and Computation} }