%0 Journal Article %A Samuel Fromm %T Admissible Boundary Values for the Gerdjikov–Ivanov Equation with Asymptotically Time-Periodic Boundary Data %J Symmetry, integrability and geometry: methods and applications %D 2020 %V 16 %U http://geodesic.mathdoc.fr/item/SIGMA_2020_16_a78/ %G en %F SIGMA_2020_16_a78