@article{DE_1986_22_6_a9,
     author = {P. E. Zhidkov},
     title = {Stability of the soliton solution of the nonlinear {Schr\"odinger} equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {994--1004},
     publisher = {mathdoc},
     volume = {22},
     number = {6},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1986_22_6_a9/}
}