TY - JOUR AU - F. A. Smirnov TI - Gelfand–Levitan equation for the quantum nonlinear Schrödinger model with attraction JO - Doklady Akademii Nauk PY - 1982 SP - 78 EP - 83 VL - 262 IS - 1 UR - http://geodesic.mathdoc.fr/item/DAN_1982_262_1_a18/ LA - ru ID - DAN_1982_262_1_a18 ER -