Neutrino masses and mixing with seesaw mechanism and universal breaking of extended democracy

@article{Akhmedov2001NeutrinoMA,
  title={Neutrino masses and mixing with seesaw mechanism and universal breaking of extended democracy},
  author={Evgeny Kh. Akhmedov and Gustavo C. Branco and Filipe R. Joaquim and Joaquim I. Silva-Marcos},
  journal={Physics Letters B},
  year={2001},
  volume={498},
  pages={237-250}
}
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