@article{DAN_1988_301_2_a6,
     author = {T. A. Surguladze},
     title = {The behavior for large time values of solutions of a one-dimensional hyperbolic equation with periodic coefficients},
     journal = {Doklady Akademii Nauk},
     pages = {283--287},
     publisher = {mathdoc},
     volume = {301},
     number = {2},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1988_301_2_a6/}
}