TY - JOUR AU - A. R. Frenkin TI - Green's functions in the theory of strong coupling JO - Doklady Akademii Nauk PY - 1962 SP - 805 EP - 807 VL - 146 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1962_146_4_a18/ LA - ru ID - DAN_1962_146_4_a18 ER -