TY - JOUR AU - T. H. Rasulov TI - Branches of the~essential spectrum of the~lattice spin-boson model with at most two photons JO - Teoretičeskaâ i matematičeskaâ fizika PY - 2016 SP - 293 EP - 310 VL - 186 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_2016_186_2_a7/ LA - ru ID - TMF_2016_186_2_a7 ER -