@misc{indiciae6e2d467a0417,
  title = {Integrable two-band model with attractive and repulsive interactions.},
  author = {P Schlottmann},
  year = {1992},
  doi = {10.1103/physrevlett.68.1916},
  url = {https://pubmed.ncbi.nlm.nih.gov/10045253/},
  note = {Source identifier: 10045253}
}