@article{MZM_2004_75_4_a8,
     author = {G. A. Omel'yanov and D. A. Kulagin},
     title = {Asymptotics of {Kink--Kink} {Interaction} for {Sine-Gordon} {Type} {Equations}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {603--607},
     publisher = {mathdoc},
     volume = {75},
     number = {4},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2004_75_4_a8/}
}