@article{Pereira:2013OK,
  author = "Pereira, Dante",
  title = "{Nonlocal multiplicative anomaly in fermionic effective action}",
  doi = "10.22323/1.175.0023",
  journal = "PoS",
  year = 2013,
  volume = "ICMP 2012",
  pages = "023"
}