TY JOUR TI THE ISSUES OF IMPROVING THE ACTIVITIES OF THE FEDERAL MIGRATION SERVICE OF RUSSIA IN TERMS OF LEGAL REGULATIONS KW external migration KW control and supervisory functions KW foreign citizens KW persons without citizenship KW immigration law JO Vestnik of the East Siberian institute of the Ministry of internal affairs of the Russian Federation AU Shalamova, A.. PY 2015 IS PB East Siberian institute of the Ministry of Internal Affairs of the Russian Federation