@article{VSGU_2015_3_a0,
     author = {A. B. Beylin and L. S. Pulkina},
     title = {Problem on vibration of a bar with nonlinear second-order boundary damping},
     journal = {Vestnik Samarskogo universiteta. Estestvennonau\v{c}na\^a seri\^a},
     pages = {9--20},
     publisher = {mathdoc},
     number = {3},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGU_2015_3_a0/}
}