@article{PismaZhETF.57.323,
    title = {A search for diffuse emission of UHE gamma rays in southern sky from observation of hadronless air showers},
    author = {Ticona, R. and Inoue, N. and Imaizumi, S. and Mori, K. and Matano, T. and Tsushima, I. and Kawasumi, N. and Honda, K. and Hashimoto, K. and Martinic, N. and Aliaga, Z. and Reguerin, A. and Gironda, N. and Osco, F.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {57},
    issue = {6},
    pages = {323},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17787.shtml},
}