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Blömer, Johannes, et al. “How Well Do SEM Algorithms Imitate EM Algorithms? A Non-Asymptotic Analysis for Mixture Models.”10.1007/s11634-019-00366-7__Advances in Data Analysis and Classification, vol. 14, 2020, pp. 147–173, doi:10.1007/s11634-019-00366-7.

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Brauer, Sascha. Classification and Approximation of Geometric Location Problems. 2019, doi:10.17619/UNIPB/1-816.

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Brauer, Sascha. “Complexity of Single-Swap Heuristics for Metric Facility Location and Related Problems.”10.1007/978-3-319-57586-5_11__Lecture Notes in Computer Science, edited by Dimitris Fotakis et al., vol. 10236, Springer International Publishing, 2017, pp. 116–27, doi:10.1007/978-3-319-57586-5_11.

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