@article{PismaZhETF.76.833,
    title = {Standing waves and reflectivity from ultrathin layer},
    author = {Andreeva, M. A. and Lindgren, B.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {76},
    issue = {12},
    pages = {833},
    year = {2002},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_9518.shtml},
}