@article{DE_1990_26_5_a10,
     author = {P. E. Zhidkov},
     title = {The {Cauchy} problem for the generalized {Korteweg{\textendash}de} {Vries} equation with periodic initial data},
     journal = {Differencialʹnye uravneni\^a},
     pages = {823--829},
     year = {1990},
     volume = {26},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_5_a10/}
}