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
DI- AND TRIMETHYL-SUBSTITUTED 2-AZAFLUORENES AND DIBASIC ACIDS OF 2-AZAFLUORENONE ArticleProstakov N.S., Obynochnyi A.A., Gaivoronskaya L.A., Kirillova L.M., Zvolinskii V.P.Chemistry of Heterocyclic Compounds. Том 8. 1974. С. 1509-1512