@misc{indiciae2b5704fd7293,
  title = {Peculiarities of beta functions in sigma models},
  author = {Gamayun, Oleksandr and Losev, Andrei and Shifman, Mikhail},
  year = {2023},
  doi = {10.1007/jhep10(2023)097},
  url = {https://www.osti.gov/biblio/2234293},
  note = {Source identifier: 2234293}
}