@inproceedings{Kaloshin:2015vE,
  author = "Kaloshin, Alexander",
  title = "{Mixing of fermions and spectral representation of propagator}",
  doi = "10.22323/1.225.0021",
  booktitle = "Proceedings of XXII International Baldin Seminar on High Energy Physics Problems  {\textemdash} PoS(Baldin ISHEPP XXII)",
  year = 2015,
  volume = "225",
  pages = "021"
}