@article{DAN_1991_320_1_a17,
     author = {V. Yu. Belashov},
     title = {Stability of two-dimensional and three-dimensional solitons in},
     journal = {Doklady Akademii Nauk},
     pages = {85--89},
     publisher = {mathdoc},
     volume = {320},
     number = {1},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_320_1_a17/}
}