@Misc{ 
  BarJevWu23,
  author = { Bartolucci, Daniele and Jevnikar, Aleks and Wu, Ruijun },
  title = { A Courant nodal domain theorem for linearized mean field type equations },
  journal = { Commun. Pure Appl. Anal. },
  year = { 2023 },
  pages = { 18 },
  URL = { http://cvgmt.sns.it/paper/5883/ },
  note = { cvgmt preprint}
}