@article{PismaZhETF.30.107,
    title = {Deformation electron density in the organic paramagnetic $C_{13}H_{17}N_2O_2$},
    author = {Shevyrev, A. A. and Muradyan, L. A. and Simonov, V. I.},
    journal = {Письма в ЖЭТФ},
    volume = {30},
    issue = {2},
    pages = {107},
    year = {1979},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20594.shtml},
}