@article{PismaZhETF.17.98,
    title = {Observation  of  Ferromagnetic  Interactions in Antiferromagnetiс Perovskites  by  the  Mossbauer Effect},
    author = {Ovanesyan, N. S. and Trukhtanov, V. A.},
    journal = {Письма в ЖЭТФ},
    volume = {17},
    issue = {2},
    pages = {98},
    year = {1973},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23467.shtml},
}