@incollection{Duncan_2009,
    doi = {10.1007/978-3-642-03073-4_18},
    url = {https://doi.org/10.1007%2F978-3-642-03073-4_18},
    year = {2009},
    publisher = {Springer Berlin Heidelberg},
    pages = {167--177},
    author = {Ross Duncan and Simon Perdrix},
    title = {Graph States and the Necessity of Euler Decomposition},
    booktitle = {Mathematical Theory and Computational Practice}
}

@incollection{Duncan_2009, doi = {10.1007/978-3-642-03073-4_18}, url = {https://doi.org/10.1007%2F978-3-642-03073-4_18}, year = {2009}, publisher = {Springer Berlin Heidelberg}, pages = {167--177}, author = {Ross Duncan and Simon Perdrix}, title = {Graph States and the Necessity of Euler Decomposition}, booktitle = {Mathematical Theory and Computational Practice} }