@article{Hartmanis_1980,
    doi = {10.1137/0209010},
    url = {https://doi.org/10.1137%2F0209010},
    year = {1980},
    month = {feb},
    publisher = {Society for Industrial {\&} Applied Mathematics ({SIAM})},
    volume = {9},
    number = {1},
    pages = {114--120},
    author = {J. Hartmanis},
    title = {On the Succinctness of Different Representations of Languages},
    journal = {{SIAM} Journal on Computing}
}

@article{Hartmanis_1980, doi = {10.1137/0209010}, url = {https://doi.org/10.1137%2F0209010}, year = {1980}, month = {feb}, publisher = {Society for Industrial {\&} Applied Mathematics ({SIAM})}, volume = {9}, number = {1}, pages = {114--120}, author = {J. Hartmanis}, title = {On the Succinctness of Different Representations of Languages}, journal = {{SIAM} Journal on Computing} }