@incollection{Hasegawa_1997,
    doi = {10.1007/3-540-62688-3_37},
    url = {https://doi.org/10.1007%2F3-540-62688-3_37},
    year = {1997},
    publisher = {Springer Berlin Heidelberg},
    pages = {196--213},
    author = {Masahito Hasegawa},
    title = {Recursion from cyclic sharing: Traced monoidal categories and models of cyclic lambda calculi},
    booktitle = {Lecture Notes in Computer Science}
}

@incollection{Hasegawa_1997, doi = {10.1007/3-540-62688-3_37}, url = {https://doi.org/10.1007%2F3-540-62688-3_37}, year = {1997}, publisher = {Springer Berlin Heidelberg}, pages = {196--213}, author = {Masahito Hasegawa}, title = {Recursion from cyclic sharing: Traced monoidal categories and models of cyclic lambda calculi}, booktitle = {Lecture Notes in Computer Science} }