@misc{indiciaeec664f8b883c,
  title = {O(N)-symmetric lambda phi4 theory: The Gaussian-effective-potential approach.},
  author = {PM Stevenson and B Allès and R Tarrach},
  year = {1987},
  doi = {10.1103/physrevd.35.2407},
  url = {https://pubmed.ncbi.nlm.nih.gov/9957942/},
  note = {Source identifier: 9957942}
}