@article{globaloptimizationforcardinality,
  title = {Global Optimization for Cardinality-constrained Minimum Sum-of-Squares Clustering via Semidefinite Programming},
  author = {Veronica Piccialli and Antonio M. Sudoso},
  year = {2022},
  eprint = {2209.08901},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2209.08901v3},
}