@article{Liggett_1969,
    doi = {10.1137/1011093},
    url = {https://doi.org/10.1137%2F1011093},
    year = {1969},
    month = {oct},
    publisher = {Society for Industrial {\&} Applied Mathematics ({SIAM})},
    volume = {11},
    number = {4},
    pages = {604--607},
    author = {Thomas M. Liggett and Steven A. Lippman},
    title = {Stochastic Games with Perfect Information and Time Average Payoff},
    journal = {{SIAM} Review}
}

@article{Liggett_1969, doi = {10.1137/1011093}, url = {https://doi.org/10.1137%2F1011093}, year = {1969}, month = {oct}, publisher = {Society for Industrial {\&} Applied Mathematics ({SIAM})}, volume = {11}, number = {4}, pages = {604--607}, author = {Thomas M. Liggett and Steven A. Lippman}, title = {Stochastic Games with Perfect Information and Time Average Payoff}, journal = {{SIAM} Review} }