@article{Johnson_1988,
    doi = {10.1016/0022-0000(88)90046-3},
    url = {https://doi.org/10.1016%2F0022-0000%2888%2990046-3},
    year = {1988},
    month = {aug},
    publisher = {Elsevier {BV}},
    volume = {37},
    number = {1},
    pages = {79--100},
    author = {David S. Johnson and Christos H. Papadimitriou and Mihalis Yannakakis},
    title = {How easy is local search?},
    journal = {Journal of Computer and System Sciences}
}

@article{Johnson_1988, doi = {10.1016/0022-0000(88)90046-3}, url = {https://doi.org/10.1016%2F0022-0000%2888%2990046-3}, year = {1988}, month = {aug}, publisher = {Elsevier {BV}}, volume = {37}, number = {1}, pages = {79--100}, author = {David S. Johnson and Christos H. Papadimitriou and Mihalis Yannakakis}, title = {How easy is local search?}, journal = {Journal of Computer and System Sciences} }