%0 Journal Article %A A. B. Beylin %A L. S. Pulkina %T Problem on vibration of a bar with nonlinear second-order boundary damping %J Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ %D 2015 %P 9-20 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGU_2015_3_a0/ %G ru %F VSGU_2015_3_a0