@article{PismaZhETF.54.224,
    title = {High-$T_c$ superconducting phase in the $Fe_{1-x}S$ system},
    author = {Petrakovskii, G. A. and Loseva, G. V. and Kiselev, N. I. and Ovchinnikov, S. G. and Ivanova, N. B. and Chernov, V. K.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {54},
    issue = {4},
    pages = {224},
    year = {1991},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18125.shtml},
}