@article{TMF_2000_125_1_a5,
     author = {V. R. Khalilov},
     title = {Polarization of vacuum by an external magnetic field in the $(2+1)$-dimensional quantum electrodynamics with a nonzero fermion density},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {132--151},
     year = {2000},
     volume = {125},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2000_125_1_a5/}
}