@article{PismaZhETF.39.84,
    title = {The Milne problem and higher orders of the WKBJ approximation},
    author = {Solov'ev, E. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {39},
    issue = {2},
    pages = {84},
    year = {1984},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19127.shtml},
}