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
SPHERICALLY-SYMMETRICAL SOLUTION OF LANE-EMDEN EQUATION СтатьяSULEIMAN S.S.ИЗВЕСТИЯ ВЫСШИХ УЧЕБНЫХ ЗАВЕДЕНИЙ. ФИЗИКА. 1979. С. 97-99