@article{MZM_2000_67_3_a1,
     author = {V. L. Vereshchagin},
     title = {The asymptotic behavior of solutions of the {sine-Gordon} equation with singularities zero},
     journal = {Matemati\v{c}eskie zametki},
     pages = {329--342},
     publisher = {mathdoc},
     volume = {67},
     number = {3},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2000_67_3_a1/}
}