TY - JOUR AU - S. V. Tyablikov AU - V. A. Moskalenko TI - The method of quantum Green's functions in the theory of many-phonon transitions JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1961 SP - 267 EP - 283 VL - 64 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_1961_64_a15/ LA - ru ID - TM_1961_64_a15 ER -