TY JOUR TI DEVELOPMENT OF DESIGN THEORY OF A NEW RAILWAY ROLLING STOCK KW theory KW design KW creativity KW experiment KW forecasting KW mathematical modeling KW locomotives KW motor-car rolling stock JO Transport engineering AU Kosmodamianskiy, A.S. AU Pugachev, A.A. AU Vorob'ev, V.I. AU Sobolev, V.S. AU Karpov, A.E. PY 2025 IS 2025 PB Bryansk State Technical University