@article{Mitrana_2001,
    doi = {10.1016/s0166-218x(00)00200-6},
    url = {https://doi.org/10.1016%2Fs0166-218x%2800%2900200-6},
    year = {2001},
    month = {mar},
    publisher = {Elsevier {BV}},
    volume = {108},
    number = {3},
    pages = {287--300},
    author = {Victor Mitrana and Ralf Stiebe},
    title = {Extended finite automata over groups},
    journal = {Discrete Applied Mathematics}
}

@article{Mitrana_2001, doi = {10.1016/s0166-218x(00)00200-6}, url = {https://doi.org/10.1016%2Fs0166-218x%2800%2900200-6}, year = {2001}, month = {mar}, publisher = {Elsevier {BV}}, volume = {108}, number = {3}, pages = {287--300}, author = {Victor Mitrana and Ralf Stiebe}, title = {Extended finite automata over groups}, journal = {Discrete Applied Mathematics} }