@article{PismaZhETF.11.557,
    title = {Proton-neutron Correlations in Medium and Heavy Nuclei},
    author = {Akhiezer, I. A. and Barts, B. I. and Bolotin, Yu. L.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {11},
    issue = {11},
    pages = {557},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26194.shtml},
}