@article{Yi_1997,
    doi = {10.1006/game.1997.0567},
    url = {https://doi.org/10.1006%2Fgame.1997.0567},
    year = {1997},
    month = {aug},
    publisher = {Elsevier {BV}},
    volume = {20},
    number = {2},
    pages = {201--237},
    author = {Sang-Seung Yi},
    title = {Stable Coalition Structures with Externalities},
    journal = {Games and Economic Behavior}
}

@article{Yi_1997, doi = {10.1006/game.1997.0567}, url = {https://doi.org/10.1006%2Fgame.1997.0567}, year = {1997}, month = {aug}, publisher = {Elsevier {BV}}, volume = {20}, number = {2}, pages = {201--237}, author = {Sang-Seung Yi}, title = {Stable Coalition Structures with Externalities}, journal = {Games and Economic Behavior} }