@article{PismaZhETF.85.774,
    title = {On the ac magnetic susceptibility of spin-chains: solitons in one-dimensional systems},
    author = {Pikin, S. A. and Tomkowicz, Z. and Pikina, E. S. and Haase, W.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {85},
    issue = {12},
    pages = {774},
    year = {2007},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22981.shtml},
}