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
INTRODUCTION TO COMPLEX THEORY OF DIFFERENTIAL EQUATIONS MonographSavin A., Yu, Sternin B.Yu.Birkhause. 2017. 156 с.