@article{Fernau_2015,
    doi = {10.1016/j.ic.2015.03.006},
    url = {https://doi.org/10.1016%2Fj.ic.2015.03.006},
    year = {2015},
    month = {jun},
    publisher = {Elsevier {BV}},
    volume = {242},
    pages = {287--305},
    author = {Henning Fernau and Markus L. Schmid},
    title = {Pattern matching with variables: A multivariate complexity analysis},
    journal = {Information and Computation}
}

@article{Fernau_2015, doi = {10.1016/j.ic.2015.03.006}, url = {https://doi.org/10.1016%2Fj.ic.2015.03.006}, year = {2015}, month = {jun}, publisher = {Elsevier {BV}}, volume = {242}, pages = {287--305}, author = {Henning Fernau and Markus L. Schmid}, title = {Pattern matching with variables: A multivariate complexity analysis}, journal = {Information and Computation} }