@article{Chen_2005,
    doi = {10.1016/j.ic.2005.05.001},
    url = {https://doi.org/10.1016%2Fj.ic.2005.05.001},
    year = {2005},
    month = {sep},
    publisher = {Elsevier {BV}},
    volume = {201},
    number = {2},
    pages = {216--231},
    author = {Jianer Chen and Benny Chor and Mike Fellows and Xiuzhen Huang and David Juedes and Iyad A. Kanj and Ge Xia},
    title = {Tight lower bounds for certain parameterized {NP}-hard problems},
    journal = {Information and Computation}
}

@article{Chen_2005, doi = {10.1016/j.ic.2005.05.001}, url = {https://doi.org/10.1016%2Fj.ic.2005.05.001}, year = {2005}, month = {sep}, publisher = {Elsevier {BV}}, volume = {201}, number = {2}, pages = {216--231}, author = {Jianer Chen and Benny Chor and Mike Fellows and Xiuzhen Huang and David Juedes and Iyad A. Kanj and Ge Xia}, title = {Tight lower bounds for certain parameterized {NP}-hard problems}, journal = {Information and Computation} }