@misc{indiciae66e85825b16f,
  title = {Loop expansion in a functional space.},
  author = {H Kröger and P Labelle},
  year = {1989},
  doi = {10.1103/physrevd.40.495},
  url = {https://pubmed.ncbi.nlm.nih.gov/10011839/},
  note = {Source identifier: 10011839}
}