TY - JOUR AU - R. M. Muradyan TI - A study of the analytic properties of ladder diagrams by the method of complex orbital angular momenta JO - Doklady Akademii Nauk PY - 1963 SP - 80 EP - 83 VL - 149 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1963_149_1_a20/ LA - ru ID - DAN_1963_149_1_a20 ER -