@article{PismaZhETF.57.561,
    title = {Ground state of a d-dimensional elastic crystal in an incommensurate d-dimensional periodic potential},
    author = {Filonov, A. N.},
    journal = {Письма в ЖЭТФ},
    volume = {57},
    issue = {9},
    pages = {561},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17838.shtml},
}