@article{PismaZhETF.19.209,
    title = {Cross sections and singularities of resonant charge exchange of calcium, strontium, and barium},
    author = {Gaev, G. S. and Shpenik, O. B.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {19},
    issue = {4},
    pages = {209},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27034.shtml},
}