TY - JOUR AU - V. A. Slyusarev AU - R. P. Yankelevich TI - On the impossibility of a~phase transition to the superradiant state in a~thermodynamically equilibrium gauge-invariant system JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1979 SP - 124 EP - 129 VL - 40 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1979_40_1_a11/ LA - ru ID - TMF_1979_40_1_a11 ER -