TY JOUR TI CLUSTER APPROACH TO ORGANIZING ADAPTIVE SYSTEM OF CAR MAINTENANCE AND REPAIR KW reliability KW cars KW operation KW period KW service life JO Transport engineering AU Zagorodnii, N.A. AU Zayats, Y.A. AU Novikov, A.N. AU Semykina, A.S. PY 2025 IS 2025 PB Bryansk State Technical University