TY JOUR TI The role of the principles of international law in maintaining of the effectiveness of international law KW international law as a unique system of law KW principles of international law KW law values KW international law ideology KW the structure of the international law order KW the functions of international law KW international law relations KW the effectiveness of international law JO Advances in Law Studies AU Klimenko, A.I. PY 2021 IS 8 PB Publishing Center RIOR