AUTONOMY IN THE RUSSIAN FEDERATION: THEORY AND PRACTICE ArticleKartashkin V.A., Abashidze A.Kh.International Journal on Minority and Group Rights. Том 10. 2003. С. 203-220
SYNTHESIS, ELECTRONIC STRUCTURE, AND ABSORPTION SPECTRA OF 9-HYDROXYPYRIDO[1,2-A]-PYRIMIDINIUM DERIVATIVES ArticleZaitsev B.E., Gashev S.B., Nikitin S.V., Smirnov L.D., Koval'chukova O.V., Leon Palomino M.I.Chemistry of Heterocyclic Compounds. Том 27. 1991. С. 1110-1115