@Article{ 
  AdBoCaTe21,
  author = { Adami, Riccardo and Boni, Filippo and Carlone, Raffaele and Tentarelli, Lorenzo },
  title = { Ground states for the planar NLSE with a point defect as minimizers of  the constrained energy },
  journal = { Calc. Var. Partial Differential Equations },
  year = { 2022 },
  doi = { 10.1007/s00526-022-02310-8 },
  volume = { 61 },
  number = { 5 },
  pages = { art. 195, 32 pp },
  URL = { http://cvgmt.sns.it/paper/5637/ },
  note = { cvgmt preprint}
}