TY JOUR TI EXPERIMENT-CALCULATED EVALUATION OF THE STRENGTH OF A PASSENGER OBSERVATION CAR MODEL 61-941 KW car KW calculations KW research KW strength KW results KW requirements JO Transport engineering AU Korshunov, S.D. AU Smirnov, A.A. AU Bardov, N.P. AU Semenov, D.V. AU Boldyrev, A.P. PY 2023 IS 2023 PB Bryansk State Technical University