@article{Dvo_k_2013,
    doi = {10.1016/j.ejc.2012.12.004},
    url = {https://doi.org/10.1016%2Fj.ejc.2012.12.004},
    year = {2013},
    month = {jul},
    publisher = {Elsevier {BV}},
    volume = {34},
    number = {5},
    pages = {833--840},
    author = {Zden{\v{e}}k Dvo{\v{r}}{\'{a}}k},
    title = {Constant-factor approximation of the domination number in sparse graphs},
    journal = {European Journal of Combinatorics}
}

@article{Dvo_k_2013, doi = {10.1016/j.ejc.2012.12.004}, url = {https://doi.org/10.1016%2Fj.ejc.2012.12.004}, year = {2013}, month = {jul}, publisher = {Elsevier {BV}}, volume = {34}, number = {5}, pages = {833--840}, author = {Zden{\v{e}}k Dvo{\v{r}}{\'{a}}k}, title = {Constant-factor approximation of the domination number in sparse graphs}, journal = {European Journal of Combinatorics} }