@article{PismaZhETF.15.548,
    title = {CPT Invariance of CP-noninrvariant Theory of $K^0$ and $\bar{K}^0$ Mesons and Permissible Mass Distributions of the $K_S$ and $K_L$ Mesons},
    author = {Khalfin, L. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {15},
    issue = {9},
    pages = {548},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26655.shtml},
}