@article{IM2_1992_39_3_a7,
     author = {T. V. Red'kina},
     title = {Some properties of the complexification of the {KdV} equation},
     journal = {Izvestiya. Mathematics},
     pages = {1251--1261},
     year = {1992},
     volume = {39},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1992_39_3_a7/}
}