@article{Ayala:2000Ae,
  author = "Ayala, Alejandro",
  title = "{ Chiral Ward identities and pion propagation at finite temperature in the linear sigma model}",
  doi = "10.22323/1.005.0002",
  journal = "PoS",
  year = 2000,
  volume = "silafae-III",
  pages = "002"
}