@incollection{Da_browski_2004,
    doi = {10.1007/978-3-540-27836-8_36},
    url = {https://doi.org/10.1007%2F978-3-540-27836-8_36},
    year = {2004},
    publisher = {Springer Berlin Heidelberg},
    pages = {408--419},
    author = {Robert Dąbrowski and Wojtek Plandowski},
    title = {Solving Two-Variable Word Equations},
    booktitle = {Automata, Languages and Programming}
}

@incollection{Da_browski_2004, doi = {10.1007/978-3-540-27836-8_36}, url = {https://doi.org/10.1007%2F978-3-540-27836-8_36}, year = {2004}, publisher = {Springer Berlin Heidelberg}, pages = {408--419}, author = {Robert Dąbrowski and Wojtek Plandowski}, title = {Solving Two-Variable Word Equations}, booktitle = {Automata, Languages and Programming} }