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
SOME GENERALIZATIONS OF THE STATIONARY PHASE METHOD СтатьяISAKOVA E.K.Doklady Akademii nauk SSSR. Том 244. 1979. С. 1308-1311