@article{Cui_2012,
    doi = {10.1016/j.tcs.2012.02.030},
    url = {https://doi.org/10.1016%2Fj.tcs.2012.02.030},
    year = {2012},
    month = {jun},
    publisher = {Elsevier {BV}},
    volume = {437},
    pages = {82--102},
    author = {Bo Cui and Yuan Gao and Lila Kari and Sheng Yu},
    title = {State complexity of combined operations with two basic operations},
    journal = {Theoretical Computer Science}
}

@article{Cui_2012, doi = {10.1016/j.tcs.2012.02.030}, url = {https://doi.org/10.1016%2Fj.tcs.2012.02.030}, year = {2012}, month = {jun}, publisher = {Elsevier {BV}}, volume = {437}, pages = {82--102}, author = {Bo Cui and Yuan Gao and Lila Kari and Sheng Yu}, title = {State complexity of combined operations with two basic operations}, journal = {Theoretical Computer Science} }