@article{Papadimitriou_1991,
    doi = {10.1016/0304-3975(91)90263-2},
    url = {https://doi.org/10.1016%2F0304-3975%2891%2990263-2},
    year = {1991},
    month = {jul},
    publisher = {Elsevier {BV}},
    volume = {84},
    number = {1},
    pages = {127--150},
    author = {Christos H. Papadimitriou and Mihalis Yannakakis},
    title = {Shortest paths without a map},
    journal = {Theoretical Computer Science}
}

@article{Papadimitriou_1991, doi = {10.1016/0304-3975(91)90263-2}, url = {https://doi.org/10.1016%2F0304-3975%2891%2990263-2}, year = {1991}, month = {jul}, publisher = {Elsevier {BV}}, volume = {84}, number = {1}, pages = {127--150}, author = {Christos H. Papadimitriou and Mihalis Yannakakis}, title = {Shortest paths without a map}, journal = {Theoretical Computer Science} }