@article{FPM_1998_4_4_a3,
     author = {L. A. Kalyakin},
     title = {Week interaction of the~perturbed {Korteveg{\textendash}de~Vries} solutions},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {1179--1205},
     year = {1998},
     volume = {4},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_1998_4_4_a3/}
}