TY - JOUR AU - E. R. Velibekov TI - Elementary excitation spectrum in the superconduction theory JO - Doklady Akademii Nauk PY - 1962 SP - 1268 EP - 1271 VL - 142 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1962_142_6_a13/ LA - ru ID - DAN_1962_142_6_a13 ER -