@article{PismaZhETF.26.99,
    title = {New type of additive topological conservation laws for multidimensional solitons},
    author = {Gendenshtein, L. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {26},
    issue = {2},
    pages = {99},
    year = {1977},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20779.shtml},
}