Zhang, L., Yuan, J., & Li, Q. (2024). An approximation algorithm for k-level squared metric facility location problem with outliers. Optimization Letters, 1-11. https://doi.org/10.1007/s11590-024-02107-y

ZHANG, Li, YUAN, Jing und LI, Qiaoliang, 2024. An approximation algorithm for k-level squared metric facility location problem with outliers. Optimization Letters. 4 April 2024. P. 1-11. DOI 10.1007/s11590-024-02107-y.

Zhang, L., J. Yuan, und Q. Li. „An Approximation Algorithm for K-Level Squared Metric Facility Location Problem With Outliers“. Optimization Letters, April 2024, S. 1-11, https://doi.org/10.1007/s11590-024-02107-y.

Zhang, Li/Yuan, Jing/Li, Qiaoliang: An approximation algorithm for k-level squared metric facility location problem with outliers, Optimization Letters 2024, 1-11.

Zhang, L., Yuan, J. und Li, Q. (2024), „An approximation algorithm for k-level squared metric facility location problem with outliers“, Optimization Letters, S. 1-11.