@article{VSGU_2012_9_a2,
     author = {N. V. Beylina},
     title = {On certain initial-boundary value problems with nonlineal boundary conditions for hyperbolic equation},
     journal = {Vestnik Samarskogo universiteta. Estestvennonau\v{c}na\^a seri\^a},
     pages = {22--30},
     publisher = {mathdoc},
     number = {9},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGU_2012_9_a2/}
}