%0 Journal Article %A F. A. Smirnov %T Gelfand–Levitan equation for the quantum nonlinear Schrödinger model with attraction %J Doklady Akademii Nauk %D 1982 %P 78-83 %V 262 %N 1 %U http://geodesic.mathdoc.fr/item/DAN_1982_262_1_a18/ %G ru %F DAN_1982_262_1_a18