@article{PismaZhETF.70.583,
    title = {Effect of oxygen content on magnetic state of the La$_{0.5}$Ca$_{0.5}$MnO$_{3-\gamma }$ perovskites},
    author = {Troyanchuk, I. O. and Khalyavin, D. D. and Trukhanov, S. V. and Chobot, G. N. and Szymczak, H.},
    journal = {Письма в ЖЭТФ},
    volume = {70},
    issue = {9},
    pages = {583},
    year = {1999},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_14058.shtml},
}