@article{PismaZhETF.58.31,
    title = {Quasi-1D electron states in a double quantum well with an H-shaped bridge},
    author = {Ivchenko, E. L. and Kiselev, A. A.},
    journal = {Письма в ЖЭТФ},
    volume = {58},
    issue = {1},
    pages = {31},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17882.shtml},
}