@Article{ 
  BeNaOsPi20,
  author = { Benci, Vieri and Corona, Dario and Nardulli, Stefano and Osorio Acevedo, Luis Eduardo and Piccione, Paolo },
  title = { Lusternik-Schnirelman and Morse theory for the Van der
  Waals-Cahn-Hilliard equation with volume constraint },
  journal = { Nonlinear Analysis },
  year = { 2022 },
  doi = { 10.1016/j.na.2022.112851 },
  pages = { 30 },
  URL = { http://cvgmt.sns.it/paper/4741/ },
  note = { cvgmt preprint}
}