@misc{indiciaea18aa1287b26,
  title = {Covariant path integral for Nambu-Goto string theory.},
  author = {LC Botelho},
  year = {1994},
  doi = {10.1103/physrevd.49.1975},
  url = {https://pubmed.ncbi.nlm.nih.gov/10017181/},
  note = {Source identifier: 10017181}
}