@article{PismaZhETF.21.529,
    title = {Feasibility of lasing in collision-induced dipole transitions of singlet molecular oxygen},
    author = {Zapol'skii, O. B. and Igoshin, V. I. and Oraevskii, A. N.},
    journal = {Письма в ЖЭТФ},
    volume = {21},
    issue = {9},
    pages = {529},
    year = {1975},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22477.shtml},
}