@Article{ 
  BorMalWu20,
  author = { Borrelli, William and Malchiodi, Andrea and Wu, Ruijun },
  title = { Ground state Dirac bubbles and Killing spinors },
  journal = { Commun. Math. Phys. },
  year = { 2021 },
  doi = { https://doi.org/10.1007/s00220-021-04013-1 },
  pages = { 30 },
  URL = { http://cvgmt.sns.it/paper/4598/ },
  note = { cvgmt preprint}
}