@article{FAA_1975_9_3_a3,
     author = {B. A. Dubrovin},
     title = {Periodic problems for the {Korteweg{\textendash}de} {Vries} equation in the class of finite band potentials},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {41--51},
     year = {1975},
     volume = {9},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1975_9_3_a3/}
}