AUTONOMY IN THE RUSSIAN FEDERATION: THEORY AND PRACTICE СтатьяKartashkin V.A., Abashidze A.Kh.International Journal on Minority and Group Rights. Том 10. 2003. С. 203-220
NEUTRAL AND CHARGED MATTER IN EQUILIBRIUM WITH BLACK HOLES СтатьяBronnikov K.A., Zaslavskii O.B.Physical Review D - Particles, Fields, Gravitation and Cosmology. Том 84. 2011.