@article{TIMM_2003_9_1_a20,
     author = {A. E. El'bert},
     title = {Solutions of the extended nonlinear {Schr\"odinger} equation that oscillate at infinity},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {183--195},
     year = {2003},
     volume = {9},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2003_9_1_a20/}
}