%0 Journal Article %A A. A. Bityurin %A V. K. Manzhosov %T Longitudinal Impact on Rigid Barrier Homogeneous and Stepped Bar is Lowered Longitudinal Stiffness %J Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences %D 2010 %P 285-290 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGTU_2010_5_a33/ %G ru %F VSGTU_2010_5_a33