@misc{indiciae15b20d5718b7,
  title = {Symbol alphabets from tensor diagrams},
  author = {Ren, Lecheng and Spradlin, Marcus and Volovich, Anastasia},
  year = {2021},
  doi = {10.1007/jhep12(2021)079},
  url = {https://www.osti.gov/biblio/1976591},
  note = {Source identifier: 1976591}
}