@article{PismaZhETF.27.47,
    title = {Example of nontrivial interaction of solitons in two-dimensional classical field theory},
    author = {Zakharov, V. E. and Mikhailov, A. V.},
    journal = {Письма в ЖЭТФ},
    volume = {27},
    issue = {1},
    pages = {47},
    year = {1978},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23633.shtml},
}