%0 Journal Article %A A. R. Its %T Asymptotics of solutions of the nonlinear Schr\"odinger equation and isomonodromic deformations of systems of linear differential equations %J Doklady Akademii Nauk %D 1981 %P 14-18 %V 261 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_261_1_a1/ %G ru %F DAN_1981_261_1_a1