@article{PismaZhETF.21.138,
    title = {Pion condensation in nuclei and I-forbidden M1 transitions},
    author = {Sapershtein, E. E. and Troitskii, M. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {21},
    issue = {2},
    pages = {138},
    year = {1975},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22269.shtml},
}