TY JOUR TI The combination of index trend analysis with the method of structural shifts as a tool for statistical analysis of budget dynamics and structure KW treasury system; Ryabtsev index; structural shifts; budget revenue structure; regional budget; transfer dependency; coefficient of variation; Stavropol Krai; cash planning; budget execution JO Journal of Applied Research AU Mazharov, N.V. PY 2026 IS 0 PB ITBO University