@article{MZM_2000_67_2_a16,
     author = {S. L. Lesik},
     title = {Attractor of nonautonomous hyperbolic equation with small parameter},
     journal = {Matemati\v{c}eskie zametki},
     pages = {308--311},
     publisher = {mathdoc},
     volume = {67},
     number = {2},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2000_67_2_a16/}
}