@article{AIHPC_2009__26_3_841_0,
     author = {Kappeler, Thomas and P\"oSchel, J\"uRgen},
     title = {On the {Periodic} {KdV} {Equation} in {Weighted} {Sobolev} {Spaces}},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {841--853},
     publisher = {Elsevier},
     volume = {26},
     number = {3},
     year = {2009},
     doi = {10.1016/j.anihpc.2008.03.004},
     mrnumber = {2526404},
     zbl = {1177.35199},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.anihpc.2008.03.004/}
}