@article{PismaZhETF.81.54,
    title = {Exact results on spin dynamics and         multiple quantum NMR dynamics in alternating         spin-${1}/{2}$ chains with         $XY$-Hamiltonian at high temperatures},
    author = {Fel'dman, E. B. and Rudavets, M. G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {81},
    issue = {2},
    pages = {54},
    year = {2005},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_9049.shtml},
}