@article{PismaZhETF.51.640,
    title = {Random magnetic fields and tricritical behavior of diamagnetically dilute antiferromagnets ($Ni_{1-x}^Mg_x)O$},
    author = {Men'shikov, A. Z. and Dorofeev, Yu. A. and Klimenko, A. G. and Mironova, N. A.},
    journal = {Письма в ЖЭТФ},
    volume = {51},
    issue = {12},
    pages = {640},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17705.shtml},
}