@incollection{Berardi_2017,
    doi = {10.1007/978-3-662-54458-7_18},
    url = {https://doi.org/10.1007%2F978-3-662-54458-7_18},
    year = {2017},
    publisher = {Springer Berlin Heidelberg},
    pages = {301--317},
    author = {Stefano Berardi and Makoto Tatsuta},
    title = {Classical System of Martin-Löf's Inductive Definitions Is Not Equivalent to Cyclic Proof System},
    booktitle = {Lecture Notes in Computer Science}
}

@incollection{Berardi_2017, doi = {10.1007/978-3-662-54458-7_18}, url = {https://doi.org/10.1007%2F978-3-662-54458-7_18}, year = {2017}, publisher = {Springer Berlin Heidelberg}, pages = {301--317}, author = {Stefano Berardi and Makoto Tatsuta}, title = {Classical System of Martin-Löf's Inductive Definitions Is Not Equivalent to Cyclic Proof System}, booktitle = {Lecture Notes in Computer Science} }