@article{PismaZhETF.101.902,
    title = {Measurements of anisotropic mass of magnons confined in a harmonic trap in superfluid $^{\bf 3}$He--B},
    author = {Zavjalov, V. V. and Autti, S. and Eltsov, V. B. and Heikkinen, P. J.},
    journal = {Письма в ЖЭТФ},
    volume = {101},
    issue = {12},
    pages = {902},
    year = {2015},
    doi = {10.7868/S0370274X15120061},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X15120061},
    note = {[JETP Letters 101, 802 (2015)]}
}