%0 Journal Article %A T. H. Rasulov %T Branches of the~essential spectrum of the~lattice spin-boson model with at most two photons %J Teoretičeskaâ i matematičeskaâ fizika %D 2016 %P 293-310 %V 186 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2016_186_2_a7/ %G ru %F TMF_2016_186_2_a7