AUTONOMY IN THE RUSSIAN FEDERATION: THEORY AND PRACTICE ArticleKartashkin V.A., Abashidze A.Kh.International Journal on Minority and Group Rights. Vol. 10. 2003. P.. 203-220
IMPLICIT FUNCTION THEOREM AND ABNORMAL POINTS ArticleArutyunov A.V.Doklady Akademii Nauk. Vol. 368. 1999. P.. 586-589