@article{PismaZhETF.7.232,
    title = {Concerning the Transformation of Photon Pairs into Hadrons at High Energies},
    author = {Ispiryan, K. A. and Matinyan, S. G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {7},
    issue = {7},
    pages = {232},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25627.shtml},
}