TY JOUR TI BORIS GRIGORYEVICH KEGLIN (to the 90th anniversary of his birth) KW postgraduate study KW auto coupling KW shock absorbers KW Bryansk Institute of Transport Engineering KW Bryansk State Technical University KW dynamics and strength of machines KW engineer KW inventor KW department KW machine reliability KW absorbing devices KW polymers KW professor KW friction KW friction devices KW targeted intensive training of specialists JO Transport engineering AU Popkov, V.I. PY 2025 IS 2025 PB Bryansk State Technical University