@article{MAN_1996__305_2_182990,
     author = {Dirk Ferus and Franz Pedit},
     title = {Isometric immersions of space forms and soliton theory.},
     journal = {Mathematische Annalen},
     pages = {329--342},
     publisher = {mathdoc},
     volume = {305},
     number = {2},
     year = {1996},
     zbl = {0866.53046},
     url = {http://geodesic.mathdoc.fr/item/MAN_1996__305_2_182990/}
}