@article{TMF_1992_92_2_a5,
     author = {R. A. Minlos},
     title = {Lower branch of the spectrum of a~fermion interacting with a~bosonic gas (polaron)},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {255--268},
     publisher = {mathdoc},
     volume = {92},
     number = {2},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1992_92_2_a5/}
}