@article{SIGMA_2020_16_a78,
     author = {Samuel Fromm},
     title = {Admissible {Boundary} {Values} for the {Gerdjikov{\textendash}Ivanov} {Equation} with {Asymptotically} {Time-Periodic} {Boundary} {Data}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2020},
     volume = {16},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2020_16_a78/}
}