TY JOUR TI RELEVANCE AND MODERNITY OF THE TEACHING ON THE FOUNDATIONS OF ADMINISTRATIVE LAW DEDICATED TO THE 120TH ANNIVERSARY OF S.S. STUDENIKIN'S BIRTH KW Semyon Sevastyanovich Studenikin KW administrative law KW administrative and legal norm KW management KW principles KW legal norm KW legal relationship KW classification KW characteristic features (features). JO VESTNIK ADVANCED TRAINING INSTITUTE OF THE MIA OF RUSSIA AU KOBZAR-FROLOVA, M.N. PY 2026 IS 0 PB All-Russian Advanced Training Institute of the Ministry of the Interior of the Russian Federation