@article{Ignjatovi__2010,
    doi = {10.1016/j.fss.2009.06.007},
    url = {https://doi.org/10.1016%2Fj.fss.2009.06.007},
    year = {2010},
    month = {may},
    publisher = {Elsevier {BV}},
    volume = {161},
    number = {9},
    pages = {1288--1324},
    author = {Jelena Ignjatovi{\'{c}} and Miroslav {\'{C}}iri{\'{c}} and Stojan Bogdanovi{\'{c}} and Tatjana Petkovi{\'{c}}},
    title = {Myhill{\textendash}Nerode type theory for fuzzy languages and automata},
    journal = {Fuzzy Sets and Systems}
}

@article{Ignjatovi__2010, doi = {10.1016/j.fss.2009.06.007}, url = {https://doi.org/10.1016%2Fj.fss.2009.06.007}, year = {2010}, month = {may}, publisher = {Elsevier {BV}}, volume = {161}, number = {9}, pages = {1288--1324}, author = {Jelena Ignjatovi{\'{c}} and Miroslav {\'{C}}iri{\'{c}} and Stojan Bogdanovi{\'{c}} and Tatjana Petkovi{\'{c}}}, title = {Myhill{\textendash}Nerode type theory for fuzzy languages and automata}, journal = {Fuzzy Sets and Systems} }