@article{Kaloshin:2015vE,
  author = "Kaloshin, Alexander",
  title = "{Mixing of fermions and spectral representation of propagator}",
  doi = "10.22323/1.225.0021",
  journal = "PoS",
  year = 2015,
  volume = "Baldin ISHEPP XXII",
  pages = "021"
}