@Article{ 
  AlBrCiDePi20,
  author = { Alicandro, Roberto and Braides, Andrea and Cicalese, Marco and De Luca, Lucia and Piatnitski, Andrey },
  title = { Topological singularities in periodic media: Ginzburg-Landau and core-radius approaches },
  journal = { Arch. Ration. Mech. Anal. },
  year = { 2022 },
  doi = { 10.1007/s00205-021-01731-7 },
  volume = { 243 },
  pages = { 559-609 },
  URL = { http://cvgmt.sns.it/paper/4964/ },
  note = { cvgmt preprint}
}