@article{Baillot_2018,
    doi = {10.1016/j.ic.2018.05.005},
    url = {https://doi.org/10.1016%2Fj.ic.2018.05.005},
    year = {2018},
    month = {aug},
    publisher = {Elsevier {BV}},
    volume = {261},
    pages = {55--77},
    author = {Patrick Baillot and Erika De Benedetti and Simona Ronchi Della Rocca},
    title = {Characterizing polynomial and exponential complexity classes in elementary lambda-calculus},
    journal = {Information and Computation}
}

@article{Baillot_2018, doi = {10.1016/j.ic.2018.05.005}, url = {https://doi.org/10.1016%2Fj.ic.2018.05.005}, year = {2018}, month = {aug}, publisher = {Elsevier {BV}}, volume = {261}, pages = {55--77}, author = {Patrick Baillot and Erika De Benedetti and Simona Ronchi Della Rocca}, title = {Characterizing polynomial and exponential complexity classes in elementary lambda-calculus}, journal = {Information and Computation} }