PACS:14.60.Pq, 14.60.Lm, 11.30.Ly, 11.30.Er, 14.65.−q () DOI: URL: https://ufn.ru/en/articles/1985/1/p/ Citation: Berezhiani Z G, Chkareuli D L "Horizontal symmetry: masses and mixing angles of quarks and leptons of different generations; neutrino mass and neutrino oscillation" Sov. Phys. Usp.28 104–105 (1985)