@article{PismaZhETF.50.424,
    title = {19 F NMR in the La-Sr-Cu-O(F) system},
    author = {Kukovitskii, E. F. and Medvedev, L. I. and Mustafin, R. G. and Telitel'baum, G. B.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {50},
    issue = {10},
    pages = {424},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17149.shtml},
}