@article{TMF_2018_194_3_a7,
     author = {V. B. Bobrov and S. A. Triger},
     title = {Bose{\textendash}Einstein condensate and singularities of the~frequency dispersion of the~permittivity in a~disordered {Coulomb} system},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {468--480},
     year = {2018},
     volume = {194},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2018_194_3_a7/}
}