@article{PismaZhETF.85.52,
    title = {Leggett's Mode in Mg$_{1-x}$Al$_x$B$_2$},
    author = {Ponomarev, Ya. G. and Kuzmichev, S. A. and Mikheev, M. G. and Sudakova, M. V. and Tchesnokov, S. N. and Hoang Hoai Van,  and Bulychev, B. M. and Maksimov, E. G. and Krasnosvobodtsev, S. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {85},
    issue = {1},
    pages = {52},
    year = {2007},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16354.shtml},
}