@misc{indiciae5abc2746ba32,
  title = {Improved Hamiltonian variational technique for lattice models.},
  author = {E Dagotto and A Moreo},
  year = {1985},
  doi = {10.1103/physrevd.31.865},
  url = {https://pubmed.ncbi.nlm.nih.gov/9955766/},
  note = {Source identifier: 9955766}
}