@article{TMF_1982_53_3_a10,
     author = {P. N. Brusov and V. N. Popov},
     title = {Bose spectrum of superfluid systems of the $\text{He}^3$--$\text{He}^4$ type},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {444--455},
     publisher = {mathdoc},
     volume = {53},
     number = {3},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1982_53_3_a10/}
}