@article{AIHPC_2018__35_1_101_0,
     author = {Kappeler, Thomas and Molnar, Jan-Cornelius},
     title = {On the wellposedness of the {KdV/KdV2} equations and their frequency maps},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {101--160},
     publisher = {Elsevier},
     volume = {35},
     number = {1},
     year = {2018},
     doi = {10.1016/j.anihpc.2017.03.003},
     mrnumber = {3739929},
     zbl = {1406.37050},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1016/j.anihpc.2017.03.003/}
}