TY JOUR TI BORIS VYACHESLAVOVICH KALINSKY (to the 120th anniversary of the birth) KW Bryansk Institute of Transport Engineering KW head of department KW structural mechanics KW complex elastic systems KW student scientific society KW theory of vibrations KW theoretical mechanics KW theory of mechanisms and machines JO Transport engineering AU Popkov, V.I. PY 2026 IS 2026 PB Bryansk State Technical University