An NT, Thanh Binh NT. Longitudinal shock solid object onto the elastic bar placed on the visco-elastic foundation with constant resistance of a part of the bar side face. Vietnam J. Mech. [Internet]. 1998 Mar. 30 [cited 2024 May 1];20(1):56-64. Available from: https://vjs.ac.vn/index.php/vjmech/article/view/10012